Infinite card draw, Infinite colored mana, Infinite colorless mana, Infinite colorless mana that can't be spent to cast nonartifact spells, Infinite untap of artifacts you control, Infinite draw triggers
At the beginning of your upkeep, Karn triggers.
Holding priority, activate Lithoform Engine's first ability by paying and tapping it, copying Karn's ability.
Resolve the copy of Karn's ability, adding for each artifact you control that cannot be spent to cast nonartifact spells.
Activate Filigree Sages by paying , untapping Lithoform Engine.
Repeat from step 2.
Component Cards
How It Works
At the beginning of your upkeep, Karn triggers.
Holding priority, activate Lithoform Engine's first ability by paying and tapping it, copying Karn's ability.
Resolve the copy of Karn's ability, adding for each artifact you control that cannot be spent to cast nonartifact spells.
Activate Filigree Sages by paying , untapping Lithoform Engine.
Repeat from step 2.