Earthen Vessel is played in almost every deck in the game because of its ability to search for energy and Professor Sada's Vitality is arguably the most powerful supporter in the game, as it can energy accelerate and draw cards
Ninetales isn't just pretty, though
Since collecting cards, trading them and building decks is a really big part of a CCG experience, its absence in MTG Arena is sorely missed
So far the game is far from ready to support any kind of competitive structure and might also not be as interesting due to having a fairly slow curve of learning
Three recent sets lead the conversation: Phantasmal Flames, headlined by Mega Charizard X ex Ascended Heroes, led by Mega Gengar ex Perfect Order, built around Mega Zygarde ex Most Expensive Cards in Phantasmal Flames Phantasmal Flames (ME02) landed on November 14, 2025, and its standout is the Mega Charizard X ex
The payoff of landing saboteur damage to draw multiple cards is quite enticing though