mew and mewtwo tag team pokemon card & GX HR Pokémon SM11 108/094 and good partners fight a little harder to win together Pokemon TCG: Power Partnership Tag

According to Mark Rosewater, it should be only once per game, but as the mechanic is worded, you can use it more than once per game under certain circumstances

Skip to main content SIGN IN Multiverse Legends: Niv-Mizzet Reborn Edition: Multiverse Legends Type: Legendary Creature - Dragon Avatar Cast: Rarity: M Collector #: 0053 Pow/Tuf: 6/6 Flying When Niv-Mizzet Reborn enters the battlefield, reveal the top ten cards of your library

See rule 701.48, Learn. 701.48a: Learn means You may discard a card

Chains of Mephistopheles has a single static ability that creates a replacement effect

Team Battle

If you dont give it to another player, it converts