regeneration mtg card [30th Anniversary Edition] – TokenMTG Time to say goodbye. Regeneration · Mirage (MIR) #236

or eternal formats like Legacy and Vintage (which allows you to use cards from every set of Magic , outside of curated banned lists, which differ by format)

And make no mistake, Thoughtseize is already great

No haste of course, the dumping all your lands back into play is potentially something if you have a way to get rid of your lands, then suddenly that's fairly nasty

no fair

You get access to tutors, removal, and graveyard recursion that mono-green Elf decks lack

Not terribly strong as you bat commander but excellent in your 99, you really only need to empty one opponent's hand (find the aggressive player) and you'll be ready to return the Temple of the Dead flip land to the card drawing, token generating, life draining bat, and rule the table