mtg teferi cards Teferi's Sentinel [Dominaria] – Anubis Games and Hobby it enters with an additional +1/+1 counter on it. Teferi Akosa - MTG Wiki

You're going to want to make sure you're getting your mana rocks ASAP when you're playing, so you can be absolutely certain your turns 3-5 are spent casting absolutely massive spells several turns ahead of your opponents

Cait Sith, Fortune Teller* Really missing the robot type it should have (yes, we know youre a liar Cait Sith, and apologies for 25+ year old spoilers), this lying cat is a 4 mana 3/3 that impulse draws each turn while growing one of your creatures, proving that even traitors can have a purpose

I dont quite think the value is there clearly enough in most decks

Rimebound holds all the power with its mana generation, and it isnt restricted to instants or sorceries with mana value 4 or greater

Ultimate Spider-Man While Miles Morales has nothing to do with legends specifically, you can run this as Ultimate Spider-Man and more or less ignore the front half

Hitting any card, taking zero damage, and adding surveil 1 for a minor cost increase is well worth it