Card

Spawnsire of Ulamog

Mana cost {10}

Creature — Eldrazi 7/11

Annihilator 1 (Whenever this creature attacks, defending player sacrifices a permanent of their choice.) {4}: Create two 0/1 colorless Eldrazi Spawn creature tokens. They have "Sacrifice this token: Add {C}." {20}: Cast any number of Eldrazi spells from among cards you own outside the game without paying their mana costs.

Part of 31 known combos, 20 of them two-card. 5 official rulings.

Commander
Legal
Printing
Rare · ROE · #11
Cheapest printing
€4.64
EDHREC salt
0.87
Keywords
Annihilator

Scryfall · EDHREC

Bracket

Why

  • Two-card combo with Ashnod's Altar, Doubling Season, Parallel Lives, Anointed Procession, Mondrak, Glory Dominus, Ojer Taq, Deepest Foundation // Temple of Civilization, Adrix and Nev, Twincasters, Elspeth, Storm Slayer, Pitiless Plunderer, Primal Vigor, Exalted Sunborn, Agatha of the Vile Cauldron, Illusionist's Bracers, Training Grounds, Mana Echoes, Zirda, the Dawnwaker, Biomancer's Familiar, Earthcraft, Kaya, Geist Hunter, Bard, King of Dale (early with Ojer Taq, Deepest Foundation // Temple of Civilization, Agatha of the Vile Cauldron, Mana Echoes)

How Lotus Vault estimates a bracket

Bracket: Lotus Vault analysis, with Commander Spellbook flags

Combos

31 known combos, 20 of them two-card.

Combos: Commander Spellbook

Rulings

  • 2010-06-15 · Wizards of the Coast
    If you cast a card "without paying its mana cost," you can't pay any alternative costs. On the other hand, if the card has additional costs, you may pay those.
  • 2010-06-15 · Wizards of the Coast
    Annihilator abilities trigger and resolve during the declare attackers step. The defending player chooses and sacrifices the required number of permanents before they declare blockers. Any creatures sacrificed this way won't be able to block.
  • 2010-06-15 · Wizards of the Coast
    In a casual game, the cards you cast from outside the game come from your personal collection. In a sanctioned event, those cards must come from your sideboard. Note that you can't cast cards from exile this way; exile is a zone in the game.
  • 2010-06-15 · Wizards of the Coast
    You cast Eldrazi cards from outside the game as part of the resolution of Spawnsire of Ulamog's last ability. You may cast those cards in any order. Timing restrictions based on the card's type (such as creature or sorcery) are ignored. Other restrictions are not (such as the one from Rule of Law). You cast all of the cards you like, putting them onto the stack, then the ability finishes resolving. The spells you cast this way will then resolve as normal, one at a time, in the opposite order that they were put on the stack. They'll remain in the game for the remainder of that game.
  • 2010-06-15 · Wizards of the Coast
    If a creature with annihilator is attacking a planeswalker, and the defending player chooses to sacrifice that planeswalker, the attacking creature continues to attack. It may be blocked. If it isn't blocked, it simply won't deal combat damage to anything.

Rulings: Scryfall · Wizards of the Coast

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