Urza, Prince of Kroog + Powerstone Shard + Thousand-Year Elixir

Urza, Prince of Kroog

Powerstone Shard

Thousand-Year Elixir

How it works

1. Activate Urza by paying 6, creating a token copy of Powerstone Shard that is a 1/1 Soldier in addition to its other types.
2. Activate the Powerstone Shard token by tapping it, adding C for each Powerstone Shard you control.
3. Repeat two additional times.
4. Activate the original Powerstone Shard by tapping it, adding C for each Powerstone Shard you control.
5. Repeat steps 1 through 3.