Yawgmoth Demon [Antiquities] RC1 The effects of your opponent's

The effects of your opponent's Effect Monster that this monster destroys as a result of battle are negated

When you do: Target 1 Spell Card in your Graveyard

when this card attacks an opponent's monster

and destroy that Effect Monster

Yawgmoth Demon [Antiquities] RC1 The effects of your opponent'sSet: Antiquities Type: Creature Demon Rarity: Rare Cost: {4}{B}{B} Flying (This creature can't be blocked except by creatures with flying or reach.) First strike (This creature deals combat damage before creatures without first strike.) At the beginning of your upkeep, you may sacrifice an artifact. If you don't, tap Yawgmoth Demon and it deals 2 damage to you.