The reason his regen cost is higher to balance him as he is a almost a combination of Atheros and Smothering Tithe For Agamemnon thxs for noticing the zombie problem will fix that
For example, Final Fantasy 14 's Emet-Selch can transform into Hades whenever the player has 14 or more cards in the graveyard
Tellah, Great Sage is a little vulnerable to removal since its only a 3/3, but untap with this in a good spells deck and I cant imagine youd lose very often
Flash and Lifelink on a 3/2 means it can ambush attackers , stabilize life totals, or stick around as a threat after the removal resolves
Now, FINAL FANTASY IV is Dillon's favorite FINAL FANTASY game, and Kain is one of his favorite characters
It pairs well with Plumb the Forbidden since you can use Sedgemoor Witchs Magecraft ability to draw cards and gain a bunch of life