Prion Ace, The Long Traveler

Islandwalk
{1}{g}: Roll a six sided die, and target creature grains +2/0 and Trample if the result was 4 or higher.
{1}{u}{u}: Roll a six sided die. Proliferate, then proliferate again if the result was 5 or higher.
{u}{u}{g}{g}{x}{t}: Put {x} +1/+1 counter on each creature you control, were {x} is the amount of mana paid.