mewtwo pokemon card 10/102 Shadowless Holo Rare Base Set Near Mint/Excellent the trusted official grading guarantees its condition Pokémon TCG Mewtwo Base Set

You generally shouldnt bother, though its going to be tempting

Firstly, its just two mana, and instantly replaces itself, while being an enchantment makes it harder to deal with than if it was a creature

One Piece TCG [ST30] Card Description If you have a Character with 7000 base power or more, give this Leader 2000 power.[Opponent's Turn] All of your [Portgas.D.Ace] and [Monkey.D.Luffy] cards gain +3000 power

Market research showed that hybrid mana was the highest-rated thing in the original Ravnica block, and I believe it is still one of the highest-rated "mechanics" (it's a tool, not a mechanic, but that's what the market research called it), if not the highest, of all time

Doing so removes those designations from the game