Wildcat, World-Class Boxer

(Proxy for Cait, Cage Brawler)

As long as it's your turn, Wildcat has indestructible.

Whenever Wildcat attacks, you and defending player each draw a card, then discard a card. Put
two +1/+1 counters on Wildcat if you discarded the card with the highest mana value among those
cards or tied for highest.