Modern may accept this creature as well but its play will most likely be fringe
(Poke-BODY) [1] Burning Sensation (20) If the Defending Pokemon already has any damage counters on it, the Defending Pokemon is now Burned
For example, removal-heavy decks tend to have a headache against decks that don't care too much for the battlefield (like control decks), or decks that are happy to fill their graveyard (like reanimator decks), or decks that can sacrifice creatures when their enemies point removal at them (like aristocrat Commander decks)
however, this isnt so on a fake box
Usually, youre allowed to build your deck with up to four copies of any Pokemon card in your deck, but youre not even allowed more than one Ace Spec card at all, even if they have a different name (so you wont see both Neo Upper Energy and a Master Ball in the same deck, for example
Creature - Knight Merfolk Color tag templates(None) Vona, Butcher of Magan Vigilance, lifelink , Pay 7 life: Destroy target nonland permanent