Devouring Rage - Champions of Kamigawa - 164

Instant — Arcane

Mana Cost: {4}{R}

As an additional cost to cast this spell, you may sacrifice any number of Spirits.
Target creature gets +3/+0 until end of turn. For each Spirit sacrificed this way, that creature gets an additional +3/+0 until end of turn.

Common · Champions of Kamigawa · #164 (CHK)

Illustrated by Vance Kovacs