Maaz Ali Khan

Blue, Loyal Raptor

Partner with Owen Grady, Raptor Trainer (When this creature enters, target player may put Owen into their hand from their library, then shuffle.)
For each kind of counter on Blue, Loyal Raptor, each other Dinosaur you control enters with a counter of that kind on it.

Arvad, Weatherlight Smuggler

Deathtouch, lifelink
At the beginning of your end step, if a creature died this turn, Arvad, Weatherlight Smuggler perpetually gets +X/+X where X is the number of creatures that died this turn. This ability also triggers if Arvad is in your graveyard.