Exploit

Exploit is a keyword ability introduced in Dragons of Tarkir, where it was the signature ability of the blue–black Clan Silumgar.

When a creature with exploit enters the battlefield, the player may sacrifice a creature. Each creature with exploit has another ability that gives the player a benefit when it “exploits a creature” This means when the player sacrificed a creature because of its exploit ability.^[3][4] Henry Wu, InGen Geneticist and Profaner of the Dead are the only Exploiters that track the qualities of exploited creatures.

From the Comprehensive Rules (November 8, 2024—Edge of Eternities)

• 702.110. Exploit
  • 702.110a Exploit is a triggered ability. “Exploit” means “When this creature enters, you may sacrifice a creature.”
  • 702.110b A creature with exploit “exploits a creature” when the controller of the exploit ability sacrifices a creature as that ability resolves.
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• A creature with exploit “exploits a creature” when the controller of the exploit ability sacrifices a creature as that ability resolves.^[7]
• You choose whether to sacrifice a creature and which creature to sacrifice as the exploit ability resolves.
• You can sacrifice the creature with exploit if it’s still on the battlefield. This will cause its other ability to trigger.
• You can’t sacrifice more than one creature to any one exploit ability.
• The extra ability doesn’t trigger if the player sacrificed a creature for any other reason, including the exploit ability of a different creature.
• A player can sacrifice any creature they control when the exploit ability resolves, including the creature with exploit itself.
• You don’t have to sacrifice a creature if you don’t want to.