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Cogworker's Puzzleknot

Cogworker's Puzzleknot

{2}
ArtifactKLDcommon

When this artifact enters, create a 1/1 colorless Servo artifact creature token.

{1}{W}, Sacrifice this artifact: Create a 1/1 colorless Servo artifact creature token.

Rulings5

2025-07-25If you cast a spell “without paying its mana cost,” you can’t choose to cast it for any alternative costs. You can, however, pay additional costs, such as kicker costs. If the spell has any mandatory additional costs, such as that of Embrace Oblivion, those must be paid to cast the spell.
2025-07-25If you don’t want to cast the copy, you can choose not to; the copy ceases to exist the next time state-based actions are checked.
2025-07-25If the spell you cast has {X} in its mana cost, you must choose 0 as the value of X when casting it without paying its mana cost.
2025-07-25If an instant or sorcery card in your graveyard has {X} in its mana cost, X is 0 for the purpose of determining its mana value.
2025-07-25You cast the copy while Roving Actuator’s ability is resolving and still on the stack. You can’t wait to cast it later in the turn.

Format Legality 

CommanderLegal
ModernLegal
PioneerLegal
HistoricLegal
TimelessLegal
PauperLegal
LegacyLegal
BrawlLegal
Duel CommanderLegal
Pauper CommanderLegal
OathbreakerLegal
VintageLegal
Penny DreadfulLegal
GladiatorLegal