Tooth Attack (OP03-037) [Pillars of Strength]

[Main] <strong>You may rest 1 of your [East Blue] type Characters</strong>: K.O. up to 1 of your opponent's rested Characters with a cost of 3 or less.
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[Trigger] Play up to 1 Character card with a cost of 4 or less and a [Trigger] from your hand.