Steelswarm Operator + Agatha's Soul Cauldron + Horseshoe Crab

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CommanderModernLegacyVintage
Result

Infinite blue mana that can only be spent to activate abilities of artifacts, Infinite blue mana that can only be spent to cast artifact spells

Activate Steelswarm Operator's second ability by tapping it, adding that can only be spent to activate abilities of artifacts.

Activate Steelswarm Operator using Horseshoe Crab's ability by paying , untapping it.

Repeat.

Component Cards

Steelswarm Operator

Steelswarm Operator

$0.07

Agatha's Soul Cauldron

Agatha's Soul Cauldron

$43.67

Horseshoe Crab

Horseshoe Crab

$0.17

How It Works

1

Activate Steelswarm Operator's second ability by tapping it, adding that can only be spent to activate abilities of artifacts.

Activate Steelswarm Operator using Horseshoe Crab's ability by paying , untapping it.

Repeat.