Chant of Vitu-Ghazi - Ravnica: City of Guilds - 7

Instant

Mana Cost: {6}{W}{W}

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.)
Prevent all damage that would be dealt by creatures this turn. You gain life equal to the damage prevented this way.

Uncommon · Ravnica: City of Guilds · #7 (RAV)

Illustrated by Stephen Tappin