
When you cast this spell, draw four cards.
Annihilator 4 (Whenever this creature attacks, defending player sacrifices four permanents of their choice.)
When Kozilek is put into a graveyard from anywhere, its owner shuffles their graveyard into their library.
Ramp aggressively with colorless mana rocks and big mana lands, then deploy Kozilek to refill your hand with four cards and start swinging with Annihilator 4 to dismantle opponents' boards. The graveyard-shuffle clause makes Kozilek nearly impossible to mill out of and recurs himself into your library. You grind value through massive ramp and oversized Eldrazi beaters until you can attack for lethal or assemble a big-mana combo.
Add the best fast mana and ramp—Mana Crypt, Mana Vault, Grim Monolith, and the full suite of mana rocks—to consistently cheat Kozilek out turns ahead of schedule. Incorporate other Eldrazi titans (Ulamog, Emrakul) plus Eldrazi cost-reducers and Kozilek-friendly lands like Cloudpost/Glimmerpost or Tomb of the Spirit Dragon for explosive mana. To raise the ceiling, lean into colorless combo with Basalt Monolith plus Rings of Brighthearth or Mystic Forge engines, and protect your bombs with artifacts like Lightning Greaves and Swiftfoot Boots.
The most-played cards for this commander, built from aggregated deck data (the Mythic Graph). Build public decks to seed it.
→ Infinite death triggers, Infinite ETB, Infinite LTB
→ Near-infinite damage
→ Infinite damage, Infinite rummaging
→ Exile your library and graveyard, Win the game
→ Infinite draw triggers, Infinite looting, Infinite self-discard triggers
Combos via Commander Spellbook.