Frontier Bivouac [Commander Masters] Harpy each player sacrifices a permanent

each player sacrifices a permanent of that type

1 Ruinous Intrusion

Set: Zendikar Rising Prerelease Promos Type: Creature — Kor Warrior Rarity: Rare Cost: {3}{W} When Squad Commander enters the battlefield

Set: Commander Anthology Volume II Type: Instant Rarity: Rare Cost: {1}{R} Impact Resonance deals X damage divided as you choose among any number of target creatures

Set: Murders at Karlov Manor Commander Type: Creature — Elf Druid Rarity: Rare Cost: {2}{G}{G} Whenever you cast a creature spell

Frontier Bivouac [Commander Masters] Harpy each player sacrifices a permanentSet: Commander Masters Type: Land Rarity: Uncommon Frontier Bivouac enters the battlefield tapped. T: Add G, U, or R. "The most powerful dreams visit those who shelter in a dragon's skull." Chianul, Who Whispers Twice