Karn, Silver Golem + Salvaging Station + Darksteel Citadel

Prerequisites

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Steps

1. 1Activate Darksteel Citadel by tapping it, adding .
2. 2Activate Karn by paying , causing Darksteel Citadel to become a creature until end of turn.
3. 3Darksteel Citadel dies as a state-based action due to having 0 toughness, triggering Salvaging Station, untapping Salvaging Station.
4. 4Activate Salvaging Station by tapping it, returning Darksteel Citadel from your graveyard to the battlefield.
5. 5Repeat.

Effects

• Infinite artifact ETB
• Infinite artifact LTB
• Infinite creature LTB
• Infinite death triggers
• Infinite landfall triggers