Green, Multicolored, Colorless, Lands
Do you need to add dragons to your cherrios deck maybe
Many green card draw effects care about casting creature spells or else about getting nontoken creatures: Soul of the HarvestSoul of the Harvest, Primordial SagePrimordial Sage, Lifecrafter's BestiaryLifecrafter's Bestiary, et cetera
Svella, Ice Shaper allows you to create an alternative mana base, ensuring youll stay far ahead of your opponents once you start removing lands
Giving two Map tokens is a worry, so much so that it might be worth pointing this at your own creature to fizzle, say, an adventure removal spell in an artifactfall deck
Coin flip cards can be a ton of fun and are beloved by many, but they are certainly not everyones favorite since they are among the most overt and artificial feeling forms of variance in the game