The effects of Projectile Modifier spells apply to all the spells they are multicast with, not just Projectile type ones. For more details on this aspect of wand mechanics, see: Advanced Guide: Wand Mechanics#Concept: Casting Blocks.
Makes a projectile release a cluster of explosive bolts upon hitting a wall
Makes a projectile leave a trail of copies of itself
Immediately adds 30 mana to the wand
Creates arcs of fire between projectiles (requires 2 projectile spells)
Creates arcs of gunpowder between projectiles (requires 2 projectile spells)
Creates arcs of poison between projectiles (requires 2 projectile spells)
Creates arcs of lightning between projectiles (requires 2 projectile spells)
Makes a projectile separate into a bundle of 5 explosive bolts as soon as it moves downwards
Makes a projectile launch 8 magical bolts if it moves slowly enough
Makes a projectile bounce on impact
Makes a projectile shoot bubble sparks as it bounces
Makes a projectile release a bundle of concentrated light as it bounces
A normally bouncy projectile stops doing so
Makes a projectile release damaging sparks as it bounces
Makes a projectile remove earth as it bounces
Any time the projectile would bounce, it also explodes
A projectile will launch a copy of itself when it bounces
Makes a projectile release powerful lightning as it bounces
A projectile launches a plasma beam upon bouncing
Limits the radius of a projectile's explosion heavily
Makes a projectile always do a critical hit on bloody enemies
Makes a projectile always do a critical hit on burning enemies
Makes a projectile always do a critical hit on oiled enemies
Makes a projectile always do a critical hit on wet (water) enemies
Gives a projectile +15% chance of a critical hit
Gives a projectile an energy field that constantly deals 3.5 damage to nearby creatures
A projectile gains a hefty damage boost, but is also able to hurt you
Increases the damage done by a projectile
If the wand has more than 50 mana, all mana over that is converted into additional damage
Randomly increases or lowers the damage done by projectiles
Increases a projectile's duration dramatically but removes all damage and explosion from it
Greatly increases the damage done by a projectile, at the cost of its speed
Makes a projectile move considerably faster, but deal less damage
Makes a projectile crumble the earth it hits
Gives a projectile a frozen charge, that it will release on impact
Gives a projectile an electric charge, that it will release on impact
Makes a projectile explode upon collision with creatures covered in alcohol
Makes a projectile explode powerfully upon collision with creatures covered in alcohol
Makes a projectile explode upon collision with creatures covered in slime
Makes a projectile explode powerfully upon collision with creatures covered in slime
Makes a projectile charm creatures covered in toxic sludge
Gives a projectile a randomly colored sparkly trail
Turns a projectile invisible
Gives a projectile a blue sparkly trail
Gives a projectile a green sparkly trail
Gives a projectile a orange sparkly trail
Gives a projectile a purple sparkly trail
Gives a projectile a red sparkly trail
Gives a projectile a yellow sparkly trail
Gives a projectile a much lower cast delay, but no respect to your aim
Gives a projectile the power to knock back the foes it hits
Makes a projectile cast copies of itself in random directions
Makes a projectile cast copies of itself with a downwards trajectory
A projectile will shoot out 8 copies of itself when it expires or hits the ground
Makes a projectile cast copies of itself with an upwards trajectory
Causes a projectile to cast a copy of itself upon expiring, up to 5 times
Increases the lifetime of a spell
The duration of a projectile is set to zero
Reduces the lifetime of a spell
Makes a projectile rotate around the caster like an orbiting planet
Makes a projectile illuminate its surroundings
Makes corpses of creatures killed by a projectile rise to your aid
Makes four fireballs rotate around a projectile
Makes four… nukes(?!) rotate around a projectile
Makes four sawblades rotate around a projectile
Makes four copies of a projectile rotate around it
Makes four plasma beams rotate around a projectile
Forces a projectile on a horizontal path, but increases its damage
Makes a projectile fly only in cardinal or diagonal lines
Applies an upwards force to the projectile
Increases the effect gravity has on a projectile
Causes a projectile to aim straight downwards a short time after casting
Causes a projectile to aim straight upwards a short time after casting
A projectile orbits the point of its origin
A projectile flies much slower but teleports short distances over its flight
Makes a projectile fly back and forth
A projectile flies in a spiralling pattern
Causes a projectile to chaotically fly wherever it wishes
Makes a projectile move rapidly in a slithering manner, like a snake
A projectile rotates towards the direction you're aiming
Makes a projectile accelerate away from your foes
Makes a projectile turns towards the nearest visible enemy
Gives a projectile a path that curves towards you
Makes a projectile accelerate towards your foes
Makes a projectile turn towards your foes
A projectile flies towards targets when near them
Makes a projectile accelerate towards wands
A projectile homes towards enemies at an increasing pace
If a valid target appears somewhere in the proximity of a projectile, the projectile will teleport right on top of the target
Makes a projectile turn the creatures it hits into living fireball throwers
Causes creatures hit by the projectile to gain a gravity well that draws projectiles in; dissipates eventually
Makes creatures hit by a projectile grow tentacles in a chaotic manner
Makes a projectile turn the creatures it hits into living thunderstorms
Turns a wounded enemy into stone
Makes a projectile fly through enemies, but harmful to the caster
Makes plasma beam spell's beam wider
Makes a projectile split into three projectiles whose existences are entangled
Makes a projectile launch a random spell (out of a limited selection) when it hits something
Casts one random modifier spell
Increases the recoil when casting spells
Reduces the recoil when casting spells
Reduces the time between spellcasts
Reduces the spread of a spell
Makes a projectile no longer explode
The reload time of the wand is set to exactly 1.5 seconds
Causes a projectile to accelerate as it flies
Makes a projectile decelerate as it flies
Gives a spell a small probability of short-circuiting
Gives a projectile a shield that deflects other projectiles
Increases the speed at which a projectile flies through the air
Makes a projectile shy away from obstacles
Gives a projectile the power to go through the ground
Makes a projectile release firecrackers when it disappears
Makes a projectile float above the ground
Makes a projectile eat the environment as it flies
Makes a projectile more destructive to the environment
Makes a projectile cast fireballs in random directions
Makes a projectile cast lightning in random directions
Makes a projectile cast tentacles in random directions
Makes a projectile fire small fireballs perpendicular to its trajectory
A projectile fires beams of light in random directions
Increases a projectile's damage based on the number of creatures nearby
Converts any nearby projectiles cast by you into extra damage
Gives a projectile a trail of acid
Gives a projectile a tail of fire
Gives a projectile a trail of fiery particles
Gives a projectile a trail of gunpowder
Gives a projectile a trail of oil
Gives a projectile a trail of poison
Gives a projectile a trail of rainbow
Gives a projectile a trail of water
Makes any blood within a projectile's range turns into acid
Transmutes various liquids and powdery substances within a projectile's range into something else
Makes any hard, solid materials within a projectile's range turn into sand
Makes any lava within a projectile's range turn into blood
Converts nearby nonmagical liquids into explosive gunpowder
Makes any toxic sludge within a projectile's range turn into acid
Makes any water within a projectile's range turns into poison
Target hit by a projectile takes 25% extra electricity damage for a time
Target hit by a projectile takes 25% extra explosion damage for a time
Target hit by a projectile takes 25% extra melee damage for a time
Target hit by a projectile takes 25% extra projectile damage for a time
Imbues a projectile with a curse that makes the target hit by the projectile to waste away