mtg elf commander deck list Lathril, Blade of the Elves ELITE Tribal Magic Custom Commande Omnath lets you keep all of your unspent green mana Commander / EDH MTG decks

Assuming you play Keene turn 4, and attack turn 5, thats a decent chance of finding a Gate

It has a base power and toughness of 1/1, but by paying one mana and sacrificing a creature or artifact, it will get a +1/+1 counter

Leviathan (from Final Fantasy 15): Presented as a Saga creature, reflecting its temporary yet powerful summon nature in Final Fantasy, a mechanic perfectly fused with Magic: The Gathering

Better yet, casting two or more non-creature spells (which you'll likely be doing already anyway) gives Lyse Hext double strike, meaning you'll be dealing double damage with any attacks on top of whatever effects come from the non-creature spells you've been casting (which, again, are cheaper thanks to Lyse Hext's signature ability)

Molten-Core Maestro The fact that Molten-Core Maestros opus ability can give you enough mana to cast your next big spell and potentially chain big spells together puts it in combo territory, and it seems pretty easy to go off with any buyback card