Coinshot

The caster tosses three coins into the air. If the coins are hit by a ranged weapon, the projectile will ricochet and attempt to hit the next coin. If it misses it will go for an enemy of the caster's choosing. For each coin hit, it adds an additional d6. The first coin has an AC of 10, the second 15 and the third 20.

Every six levels you may toss an additional coin up that has one more AC than the previous one. For example the fourth coin would have an AC of 21, the fifth would have 22 etc etc. Additionally at level six each coin will do d8 of additional damage instead of d6.