Fírnen, Liberated Bjartskular

Partner with Arya Drottning, Fierce Rider
(When this card enters the battlefield, target player
may put Arya Drottning, Fierce Rider from their
library into their hand, then shuffle.)
Flying, trample
{r/g}{2}: Creatures you control gain trample until
the end of turn. Put a +1/+1 counter on each Elf
you control.