Cogwork Assembler + Powerstone Shard

Cogwork Assembler

Powerstone Shard

How it works

1. Pay 7 twice, create 2 copies of Powerstone Shard, leaving 3.
2. Tap 2 of the token Powerstone Shards for 6.
3. Pay 7, leaving 2, to create another token copy of Powerstone Shard.
4. Tap the 2 remaining untapped Powerstone Shards for 8.
5. Pay 7 to create a token copy of Powerstone Shard, tapping it for 5, leaving you with 8.
6. Pay 7 to create a token copy of Powerstone Shard, tapping it for 6, leaving you with 7.
7. Pay 7 to create a token copy of Powerstone Shard, tapping it for 7, leaving you with 7.
8. At This point, each Powerstone Shard will tap for more mana than it costs, allowing you to generate infinite C.
9. Pay infinite C to create infinite copies of Cogwork Assembler.