Linn 'Magic Fist' Agdur

As long as it's your turn, Linn 'Magic Fist'
Agdur has indestructible.
Whenever Linn attacks, you and defending player each draw a card, then discard a card.
Put two +1/+1 on Linn if you discarded the
card with the highest mana value among
those cards or tied for the highest.