Karn, Legacy Reforged + Karn, Silver Golem + Lithoform Engine + 1 more
Infinite colorless mana that can't be spent to cast nonartifact spells, Infinite untap of artifact creatures you control
At the beginning of your upkeep, Karn, Legacy Reforged triggers.
Holding priority, activate Karn, Silver Golem by paying , causing Lithoform Engine to become an artifact creature until end of turn.
Activate Lithoform Engine's first ability by paying and tapping it, copying Karn, Legacy Reforged's ability.
Resolve the copy of Karn, Legacy Reforged's ability, adding for each artifact you control that cannot be spent to cast nonartifact spells.
Activate Voltaic Construct by paying ,
Component Cards
How It Works
At the beginning of your upkeep, Karn, Legacy Reforged triggers.
Holding priority, activate Karn, Silver Golem by paying , causing Lithoform Engine to become an artifact creature until end of turn.
Activate Lithoform Engine's first ability by paying and tapping it, copying Karn, Legacy Reforged's ability.
Resolve the copy of Karn, Legacy Reforged's ability, adding for each artifact you control that cannot be spent to cast nonartifact spells.
Activate Voltaic Construct by paying , untapping Lithoform Engine.
Repeat from step 3.