Sometimes Liger will make some super powerfull cards, but the bad thing is you can only use it once per battle, the list here will tell you those cards.

1. Kaez
2. Art of Metoera
3. Werewolf
4. Data Stream
5. Nachos (you don't find nachos in a card game too often...)

Ligeredit: Wow... this feels weird... I like it though!

2. Sakura. Cannot be resummoned after destroyed by effect.

Phantom EDIT: Taken off the list.
Ligeredit: Made a new card of that. No need to edit it out, but since I redid it, it's taken off the list anyway.

(I have permission from phantom to double post ONLY in the TCG section. JUST ME AND PHANTOM!!!!!)
2. Art of Meteora- Too rare, and is related to a band song.
3. Werewolf- It's a werewolf. >_> They're rare.