Crookshank Kobolds + Hatchery Sliver + Maskwood Nexus

RG identity

Commander legal

The 3 combo pieces

• Crookshank Kobolds
• Hatchery Sliver
• Maskwood Nexus

How to execute it

1. Cast Crookshank Kobolds by paying {0}, and choosing to pay its replicate cost an arbitrarily large number of times by paying {0}.
2. Crookshank Kobolds triggers, creating a copy of it for each time its replicate cost was paid.
3. Resolve all Crookshank Kobolds spells, causing the nontoken Crookshank Kobolds to enter the battlefield, and creating a token copy of it for each time its replicate cost was paid.

What the combo produces

• Infinite creature tokens
• Infinite ETB