Angeltripper
♥ Ace ♥
I ran into a Monster House in my first run of Deep Dark Crater with Chikorita (leader), Mudkip, and Cresselia, Both my allies were at low health, but I had Bodyguard and a Bright Veil, so every time any of us were targeted with a fire move, I get an instant healing (and Giga Drain with Wise Healer and a Spice Bow also helps :3)
you could make a grass type pwn in that dungeon!