March of the Machine Commander
Artifact Creature — Golem
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Color profile
Colorless
Format check
Official notes
Ancient Stone Idol's cost is reduced for each attacking creature, not just creatures attacking you. It even counts your attacking creatures.
If there are enough attacking creatures, Ancient Stone Idol's cost can be reduced to {0}.
The total cost to cast a spell is locked in before you pay that cost. For example, if you control five attacking creatures, including one you can sacrifice to add {C}, Ancient Stone Idol costs {5} to cast. Then you can sacrifice the creature when you activate mana abilities just before paying the cost, and it still costs only {5} to cast.
Public deck signals
Cards found together in sampled public decks. Lands are excluded and different printings count as one card. This suggests shared play, not a proven combo.
No other nonland cards were found alongside this card in the sampled public decks.
Same Oracle card
