Leshrac's Sigil - Ice Age - 144

Enchantment

Mana Cost: {B}{B}

Whenever an opponent casts a green spell, you may pay {B}{B}. If you do, look at that player's hand and choose a card from it. The player discards that card.
{B}{B}: Return this enchantment to its owner's hand.

Uncommon · Ice Age · #144 (ICE)

Illustrated by Drew Tucker