Either way, both Gengar and Gengar EX are phenomenal cards that you should keep an eye on as the Pokemon TCG Pocket meta evolves as their usefulness will only increase as new, stronger Supporters join the game
It turns all nonbasic lands into mountains, which completely shuts down decks that rely on fetches, shocks, or utility lands
besides Iono, the three others were Grusha and Giacomo in Snow Hazard [SV2P] as well as Saguaro [SV2D] in Clay Burst [SV2D]
All items are in play condition
It's a plus-one play which plays perfectly with the large discard engine, making Raigeki Breaks and such always live in the early game, and increasing the power of Card Destruction or Charity by a large margin
The second is Nahiri's Wrath, a red Sorcery which costs two generic and one red mana, and an additional cost of discarding X cards from the caster's hand