Dropping a [[Portal to Phyrexia]] early can end games, and this card lets you do that without convoluted setup
If it's the first time it attacked this turn, untap your attackers and then get another combat phase
In addition, being a Saga card means he has a three-turn build to a devastating attack, before he must be sacrificed
When it enters, it can cause your Birds to deal a ton of damage to a creature to get rid of any problem creature your opponent(s) may have
legendofa on Help me torture 3 years ago Hand = hurting: Black Vise, Ebony Owl Netsuke, Iron Maiden, Misers' Cage, Sword of War and Peace Bounce: Blood Clock, Crystal Shard, Surgical Skullbomb, Umbilicus Standard stax/tax effects: Smokestack, Tangle Wire, Winter Orb, Thorn of Amethyst, God-Pharaoh's Statue, Damping Sphere, Trinisphere, Sphere of Resistance, Cursed Totem, Static Orb, Meekstone, Norn's Annex, Mindlock Orb Artifact creatures with these effects: Viseling, Neurok Replica, Esper Sentinel Pulled mostly from EDHrec, and I only hit the highlights