Kayla, Voidwalker

Haste, Trample
When this card enters the battlefield, exile the
top 5 cards of your library, add 1 non-land
card to your hand
{x}{u/r} Exile target permanent opponent controls
with 2 time counters that has a mana cost is equal
or less than X. If it doesn't have suspend, it gains suspend
Doctors companion (You can have two commanders
as long as the other one
is the Doctor, or Doctor of Literature)