Papyrus

Info
Papyrus is a character in Undertale. He likes spaghetti, puzzles, and saying "Nyeh heh heh!"

ATK: Bone Hurdle
Flip 4 coins. Deal 2 damage to the defending character for each heads.

TECH: Capture
Flip 2 coins. Shuffle a random card from your opponent's hand into your opponent's deck for each heads.

ATK: Puzzle
The defending character is now affected with Puzzled.

Tips

 * Papyrus' Puzzle attack is one of the most useful ones in the game. It can help you get past Hylian Shields, Mirror Shields, Ogre Body, and many other powerful abilities.
 * You can put Papyrus on your bench just to use Capture in your deck if you like.