mtg exert cards Amonkhet Preview Converge — Gain control of target creature if its power is less than or equal to the number of colors of mana spent to cast Exert Influence. Exert Lands Cycle : r/custommagic

While this has also had a reprint, having another one close to Bloomburrow where creature types might matter, Eldrazi and Goyf.dec make this a better include to draw attention to

Land destruction isn't common in Commander, and there's only a few cards that let you sacrifice them, so what's the point

In my eyes [casthaven]Kess, Dissident Mage[/casthaven] has the opposite problem that [casthaven]Taigam, Ojutai Master[/casthaven] has

Card Name Mana Cost Type Artifact Rarity Rare rules Text Landfall - Whenever a land you control enters, you may pay

If you hit an average of one land in every three top cards, you're going to break even