Leona, Riot Of The Blood

Double strike
Leona, Riot Of The Blood can't block.
At the beginning of your end step, if Leona, Riot
Of The Blood dealt combat damage to a player
or planeswalker this turn, put a +1/+1 counter
on it. Otherwise, put a control counter on it.
Then, if it has two or more control counters on
it, transform it.