Halsin, Emerald Archdruid + Nick Valentine, Private Eye + Phyrexian Altar

Mana needed: {1}

GU identity

Commander legal

The 3 combo pieces

How to execute it

  1. Activate Halsin by paying {1}, causing an artifact token you control to become a 4/4 Bear in addition to its other types until end of turn.
  2. Activate Phyrexian Altar by sacrificing the Bear, adding {1}.
  3. When the Bear dies, Nick Valentine triggers, creating a Clue token.
  4. Repeat.

What the combo produces