Few black spells in MTG create turns this explosive
This deck lacks huge threats, so these giants are merely present to provide an out to the games where youve played yourselves into a stax-ish stalemate
Mythic rares tend to be more expensive than rares
Though power creep has surely made this six-mana creature somewhat obsolete, it is still notable for being a dual Magic lord, boosting both Treefolk and Saproling creatures, and it also serves as an effective mana sink via its kicker ability, which can be used to invest when you cast it, which will creature that many Saproling creature tokens
Migratory Greathorn is the second of the three, and it does a fantastic job of ramping your mana on mutation
Im happy even if Deep Gnome Terramancer only gets a single trigger, but it will almost always punch above its weight by finding multiple lands for you as multicolor decks and green ramp decks are format mainstays