Brallin, Skyshark Rider

Partner with Shabraz, the Skyshark (When this
creature enters the battlefield, 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, Skyshark Rider and it deals 1 damage to each opponent.
{r}: Target Shark gains trample until end of turn.