So your Pokemon doesn't need to be Water type, it only needs to have a Water Energy to get the 40 damage healing, which makes a2-50-manaphy an even better card in the upcoming meta, capable of giving two of your Pokemon Water Energy to set up an Irida later in the game
Some believe it to be a form of gambling, but in most parts of the world, the mechanic is not classified as such
Deck 8.6 9 Starving Venom Predapower Fusion Dragon Fusion Monster Effect Monster - 10 Dragon 3600 2500 1 DARK Fusion Monster + 1 Fusion Monster(This card is always treated as a "Predaplant" card.)Once per turn, when a card or effect is activated (Quick Effect): You can Tribute 1 monster on either field with a Predator Counter, and if you do, negate the activation
Pair that with the fact that Rakdos and adjacent decks typically have more than enough ways to reanimate this, and its a great value machine
It could arguably do well in Mono-Red lists as well
This is majorly disruptive and can be incredibly clutch if used correctly