Call of the Full Moon

Enchantment — Aura • Mana cost: {1}{R} • Magic Origins • Uncommon

Enchant creature
Enchanted creature gets +3/+2 and has trample. (It can deal excess combat damage to the player or planeswalker it's attacking.)
At the beginning of each upkeep, if a player cast two or more spells last turn, sacrifice this Aura.

Illustrated by Nils Hamm.