Cogwork Assembler | Powerstone Shard

Cards

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

This combo has been estimated to be Spicy (Bracket 3-4+).