Brallin, Skyshark Rider (LIST-004/322) [The List]

Partner with Shabraz, the Skyshark (When this creature enters, target player may put Shabraz into their hand from their library, then shuffle.)
Whenever you discard a card, put a +1/+1 counter on Brallin and it deals 1 damage to each opponent.
: Target Shark gains trample until end of turn.