Heres a quick, concise video explaining all the stuff you need to know about what regeneration is and what it can and cant do: All right, now for those of you who prefer to learn by reading, the first thing you need to keep in mind is that a regenerated creature doesnt get a chance to die, and so it never leaves the battlefield
For the low, low price of one mana, you get to do any number of cool things, whether its someone else taking out the creature or planeswalker or you doing it yourself
For cards with either of the modern frames, the foreign and English prices on non-foils will be roughly the same (I might pad the sale price a little bit for prestige languages)
You'll close the game with cards like Torbran, Thane of Red Fell that maximize your damage
This will allow you to play your Pawpsicles for free
This can take what may already be a creature filled battlefield and kick it into overdrive