Cunning Guisemaster

Whenever a Ninja you control attacks, you may
pay {2} and return it to your hand. If you do,
you may put a non-Ninja creature card with
mana value 2 or less from your hand onto the battlefield tapped and attacking. That creature
can't be blocked this turn.
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A ninja's ability to operate in plain sight comes from
their mastery of subtlety, misdirection, and a limitless
supply of disguises.