yugioh duel links rainbow dragon deck - Structure Deck: Legend of the Crystal Beasts Malefic Rainbow Dragon (Duel Links)

Legendary permanents are subject to whats called The Legend Rule. If you control two or more legendary permanents with the exact same name, you must choose one to keep and the rest are put into the graveyard

Neither player can Normal Summon a monster while this card is face-up on the field

However, its first attack balances this negative out, as it can set up some Future Pokmon on the bench and make a copy of Counter Catcher able to be used the following turn

Infect will put a -1/-1 counter on a creature instead of dealing regular damage to it, and doing so will give you 1/1 token creatures that have deathtouch