Kianne, Dean of Substance

: Exile the top card of your library. If it's a land card, put it into your hand. Otherwise, put a study counter on it.

: Create a 0/0 green and blue Fractal creature token. Put a +1/+1 counter on it for each different mana value among nonland cards you own in exile with study counters on them.

Flying

, : Exile the top X cards of your library and put a study counter on each of them. Then you may put a card you own in exile with a study counter on it into your hand.