Guardians of Jotun

{t}Add {b} or {g}
At the beginning of your upkeep, discard two
cards at random.
Whenever you discard a card, choose one:
•Create a 1/1 black and green Troll knight
creature token with "{t}: Add {b} or {g}"
•Create a 3/3 black and green Troll knight
with trample.