Soul Tithe - Return to Ravnica - 23

Enchantment — Aura

Mana Cost: {1}{W}

Enchant nonland permanent
At the beginning of the upkeep of enchanted permanent's controller, that player sacrifices it unless they pay {X}, where X is its mana value.

Uncommon · Return to Ravnica · #23 (RTR)

Illustrated by Dave Kendall