Unmask [Mercadian Masques] Dack Let our allies' hearts soar

Let our allies' hearts soar and our enemies' hearts shatter at the sound

Set: Shadows over Innistrad Prerelease Promos Type: Legendary Artifact Rarity: Rare Cost: {5} At the beginning of your upkeep

you may exile target non-Horse creature you control that wasn't put onto the battlefield with this ability this turn

Set: Mirrodin Type: Instant Rarity: Common Cost: {G} Put a +1/+1 counter on target creature

Set: Kaladesh Prerelease Promos Type: Enchantment Rarity: Rare Cost: {W} Creatures your opponents control enter the battlefield tapped

Unmask [Mercadian Masques] Dack Let our allies' hearts soarSet: Mercadian Masques Type: Sorcery Rarity: Rare Cost: {3}{B} You may exile a black card from your hand rather than pay this spell's mana cost. Target player reveals their hand. You choose a nonland card from it. That player discards that card.