Steelfin Whale {5}{U}
Creature — Whale
Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)
Whenever an artifact you control enters, untap this creature.
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Cards that do something similar expected a card that isn't here?
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Icebreaker Kraken 86%
$0.39#7423
"When this creature enters, artifacts and creatures target opponent controls don't untap during that player's next untap step."