Kroan, Steelshard Guardian

Legendary Raid — When Kroan enters the battlefield, if you attacked with a legendary
creature this turn, draw two cards.
Freeze {2}{u} ({2}{u}, Exile this card from your hand:
Draw a card. You may play the exiled card for as
long as it remains exiled.)
When you freeze Kroan, put a legendary counter
on target creature you control.