The card is backbreaking - even if your opponent can counter the spell or kill the creature, you still gain all of your opponent's creatures
Whenever you use one of the new bending mechanics like water, earth, fire, or air, you get to draw a card, which is one of the best things you can do in Commander
Needs: Like most of the tribal decks were discussing today, there needs to be more reasons to actually want to fill your deck with Wizards
To summarize, I really think your best bet with this one is building a system that gets to either an Underworld Breach + Lion's Eye Diamond + Brain Freeze combo win or an Intuition win as quickly as possible, with other combos like Dramatic Reversal + Isochron Scepter being strong potentialities on the way
Alongside that, I can personally attest to winning countless Historic games all thanks to The Great Henge
In general, creature-based ramp cards are slightly cheaper mana-wise than their land-based equivalents, but theyre also much more fragile