Boros Signet [Phyrexia: All Will Be One Commander] OP06-066 that source's controller sacrifices that

that source's controller sacrifices that many permanents

Windbrisk Heights enters the battlefield tapped

Set: Shadowmoor Type: Creature — Elemental Rarity: Uncommon Cost: {W/U}{W/U}{W/U} Flash

Set: Theros Beyond Death Type: Creature — Hydra Rarity: Rare Cost: {3}{G}{G} If a creature would deal combat damage to Ironscale Hydra

Whenever Mordant Dragon deals combat damage to a player

Boros Signet [Phyrexia: All Will Be One Commander] OP06-066 that source's controller sacrifices thatSet: Phyrexia: All Will Be One Commander Type: Artifact Rarity: Uncommon Cost: {2} 1, T: Add RW. "Have you ever held a Boros signet? There's a weight to it that belies its sizea weight of strength and of pride." Agrus Kos