Intervention Pact {0}
Instant
The next time a source of your choice would deal damage to you this turn, prevent that damage. You gain life equal to the damage prevented this way.
At the beginning of your next upkeep, pay {1}{W}{W}. If you don't, you lose the game.
click a line to search just that ability, click more to combine them
Cards that do something similar expected a card that isn't here?
Reports become test cases the matcher is graded against before an update ships. Delvefall isn't a chatbot guessing, it compares the printed rules text of every card with plain math, and examples like yours decide which differences should count.
Reverse Damage 100%
$0.38#18569
"The next time a source of your choice would deal damage to you this turn, prevent that damage. You gain life equal to the damage prevented this way."
Invulnerability 99%
$0.30#25859
"The next time a source of your choice would deal damage to you this turn, prevent that damage."
New Way Forward 98%
$0.28#11362
"The next time a source of your choice would deal damage to you this turn, prevent that damage. When damage is prevented this way, this card deals that much damage to that source's controller and you draw that many cards."
Deflecting Palm 98%
$4.56#1152
"The next time a source of your choice would deal damage to you this turn, prevent that damage. If damage is prevented this way, this card deals that much damage to that source's controller."
Shadowbane 89%
$0.25#29914
"The next time a source of your choice would deal damage to you and/or creatures you control this turn, prevent that damage. If damage from a black source is prevented this way, you gain that much life."