Ongoing Investigation {1}{U}
Enchantment
Whenever one or more creatures you control deal combat damage to a player, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")
{1}{G}, Exile a creature card from your graveyard: Investigate. You gain 2 life.
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Cards that do something similar expected a card that isn't here?
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Inquisitor Eisenhorn 81%
$0.39#12990
"Whenever this card deals combat damage to a player, investigate that many times."