Keiga, the Tide Star + Nim Deathmantle + Pitiless Plunderer + Phyrexian Altar

Prerequisites

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Steps

1. 1Whenever an opponent controls a creature, activate Phyrexian Altar by sacrificing Keiga, adding .
2. 2When Keiga dies, it, Pitiless Plunderer and Nim Deathmantle trigger.
3. 3Resolve the Pitiless Plunderer trigger, creating a Treasure artifact token.
4. 4Resolve the Keiga trigger, causing you to gain control of a creature an opponent controls.
5. 5Activate Phyrexian Altar by sacrificing the creature you gained control of in step 3, adding .
6. 6When the creature dies, Pitiless Plunderer triggers, creating a Treasure artifact token.
7. 7Activate the Treasures by tapping and sacrificing them, adding .
8. 8Resolve the Nim Deathmantle trigger from step 2, causing you to pay to return Keiga from your graveyard to the battlefield, and attach Nim Deathmantle to it.
9. 9Repeat as desired and/or whenever a creature enters the battlefield under an opponent's control.

Effects

• Gain control of all creatures opponents control and sacrifice them
• Gain control of any creatures that enters the battlefield
• Lock