Gutter Grime + Phyrexian Altar + Reassembling Skeleton

BG identity

Commander legal

The 3 combo pieces

• Gutter Grime
• Phyrexian Altar
• Reassembling Skeleton

How to execute it

1. Activate Phyrexian Altar by sacrificing Reassembling Skeleton, adding {B}.
2. When Reassembling Skeleton dies, Gutter Grime triggers, putting a slime counter on it and creating an Ooze creature token.
3. Activate Phyrexian Altar by sacrificing the Ooze, adding {1}.
4. Activate Reassembling Skeleton by paying {1}{B}, return it from your graveyard to the battlefield.
5. Repeat.

What the combo produces

• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite sacrifice triggers
• Infinitely large creature