Doomsday Specter
{2}{U}{B}
Creature -- Specter
2/3
Flying
When ~this~ enters, return a blue or black creature you control to its owner's hand.
Whenever ~this~ deals combat damage to a player, look at that player's hand and choose a card from it. The player discards that card.
Leshrac's Sigil
{B}{B}
Enchantment
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~ to its owner's hand.