all mlp mtg cards are the legal Magic The Gathering: My Little Pony Magic the Gathering, Secret Lair:

At the beginning of your end step, if there are thirty or more counters among artifacts and creatures you control, this artifact deals 10 damage to each opponent

Hurska is really best when you're already ahead because the need to gain a chunk of life before you use the pump effect is difficult to balance

You may cast the creature later from exile.) If an instant or sorcery spell you control with lifelink deals damage to you, you gain and lose that much life simultaneously

casting Mogg Infestation when you have 10 creature tokens transforms them into 20 goblins dealing 40 damage

And Halsin, Emerald Archdruid lets you turn extra Food tokens into 4/4 Bear creatures if you need some extra bodies to attack or block with

And in the card art, the therapist is rearranging the victims brain for a better outcome