Covenant of Blood - Magic 2015 - 91

Sorcery

Mana Cost: {6}{B}

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
Covenant of Blood deals 4 damage to any target and you gain 4 life.

Common · Magic 2015 · #91 (M15)

Illustrated by Seb McKinnon