I also really like this leading a Pinger deck where you tap a Prodigal Pyromancer to shoot your team for a damage, and make sure you are running things that will take the damage into good stuff like Stuffy Doll, Brash Taunter, and the enraging Dinosaurs Bellowing Aegisaur and Sun-Crowned Hunters
I put cards in that would bounce monsters off their field to buy me more time to get the key element of the deck, which is Magical Merchant
The fact that they were different from normal Magic cards drove player excitement
Much of Kruam's appeal is simply that it gives you access to blue and red in your commander deck, letting you have access to practically all the best colors in the game (sorry green)
Its heavy body can withstand powerful attacks, making it a formidable defender in battle
(10/1/2009) You cast red instant cards and red sorcery cards from your graveyard as part of the resolution of Chandra Ablaze's third ability