Banshee of the Dread Choir [Commander 2015] Arabian Nights Set: Battle for Zendikar Type:

Set: Battle for Zendikar Type: Legendary Creature — Merfolk Ally Rarity: Rare Cost: {3}{W}{U} Whenever you cast an instant or sorcery spell

When Keening Banshee enters the battlefield

Set: Rise of the Eldrazi Type: Creature — Kor Scout Rarity: Common Cost: {1}{W} {T}: Tap target creature with power 3 or less

An Atarka dragon's exhale cooks what its inhale consumes

Banshee of the Dread Choir [Commander 2015] Arabian Nights Set: Battle for Zendikar Type:Set: Commander 2015 Type: Creature Spirit Rarity: Uncommon Cost: {3}{B}{B} Myriad (Whenever this creature attacks, for each opponent other than defending player, you may create a token that's a copy of this creature that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.) Whenever Banshee of the Dread Choir deals combat damage to a player, that player discards a card.