Its ward ability is surprisingly annoying, especially in formats like Modern and Legacy where decks run few lands because so many of their cards are hyper-efficient
Fetch lands can be sacrificed to search up lands with specific types, and Shock lands have two land types and can enter untapped if you pay 2 life This combination gives these decks very powerful and consistent mana-bases, to go along with a card pool that also happens to be significantly more powerful than Standard or Pioneer
On top of this the creature only sorcery speed bounce has far far more limited use than most of the rest of the bounce on this list and as such these cards rarely see play these days
This card cannot attack directly, cannot be targeted by card effects, and cannot be destroyed by battle
They are perfectly comfortable with the whims of fate swinging in either direction, be they helpful or hurtful
Mega Gengar ex (284/217) is an SIR from Ascended Heroes, and although its market value keeps battling with Pikachu ex, most fans consider it to be the best card in the set