Yawgmoth Demon [Antiquities] Open the Helvault Each Sliver creature card in

Each Sliver creature card in your graveyard has encore {X}

Set: Mercadian Masques Type: Sorcery Rarity: Rare Cost: {3}{U}{U} Search target opponent's library for a creature card and put that card onto the battlefield under your control

Create a tapped and attacking token that's a copy of that card

the Mindrazer deals 1 damage to that player

each creature that player controls attacks if able

Yawgmoth Demon [Antiquities] Open the Helvault Each Sliver creature card inSet: Antiquities Type: Creature Phyrexian 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.