Phyrexian Altar + Rhonas's Monument + Skylasher + Zask, Skittering Swarmlord

BG identity

Commander legal

The 4 combo pieces

• Phyrexian Altar
• Rhonas's Monument
• Skylasher
• Zask, Skittering Swarmlord

How to execute it

1. Activate Phyrexian Altar by sacrificing Skylasher, adding {G}.
2. Zask triggers.
3. In response, cast Skylasher from your graveyard by paying {G}.
4. Ronas's Monument triggers, giving target creature you control +2/+2 and trample until end of turn.
5. Skylasher enters the battlefield.
6. Resolve Zask's trigger, milling two cards.
7. Repeat.

What the combo produces

• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite sacrifice triggers
• Infinite self-mill
• Infinite storm count
• Infinitely large creatures you control until end of turn