Mesmeric Fiend [Duel Decks: Sorin vs. Tibalt] BW19 and I was besieged

and I was besieged

Set: Guilds of Ravnica Guild Kit Type: Legendary Creature — Vampire Rarity: Rare Cost: {3}{U}{B} Flying

Set: Base Set Shadowless Unlimited Type: Colorless Rarity: Rare Retreat cost: Colorless

sacrifice Cosmic Larva unless you sacrifice two lands

Set: Mirrodin Besieged Type: Artifact — Equipment Rarity: Uncommon Cost: {3} When Piston Sledge enters the battlefield

Mesmeric Fiend [Duel Decks: Sorin vs. Tibalt] BW19 and I was besiegedSet: Duel Decks: Sorin vs. Tibalt Type: Creature Nightmare Horror Rarity: Common Cost: {1}{B} When Mesmeric Fiend enters the battlefield, target opponent reveals their hand and you choose a nonland card from it. Exile that card. When Mesmeric Fiend leaves the battlefield, return the exiled card to its owner's hand.