Kianne, Dean of Substance // Imbraham, Dean of Theory [Strixhaven: School of Mages Prerelease Promos]

Details

{T}: 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.
{4}{G}: 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.