pokemon golden energy card POKÉMON GAME sv1V 108/078 UR Basic Lightning holofoil pattern or surface detail) Pokemon Card - Classic Collection

As you can imagine, this effect is pretty darn powerful, so expect to see Sheoldred popping up all over the place

How about MirrormadeMirrormade

At the beginning of each end step, if two or more creatures died under your control this turn, abandon this scheme

Even if you pick it up early, it's not a strong card that defines the deck, so it feels like you'll take it and put it in your deck at the end, but the process is slow

Vanishing Nether Traitor | Illustration Vance Kovacs You can simply think of this creatures as very powerful for their mana cost, but with an expiration date

Continuous effects are very interesting