Prismatic Dragon

When Aswan Jaguar comes into play, choose a random creature type from those in target opponent's deck. GG, T: Bury target creature of the chosen type.

Put a random creature from a random graveyard into play under your control. Call from the Grave deals to you an amount of damage equal to that creature's casting cost.

Flying 1GG: Play a random effect.

2, T, Pay R for each target: Tap any number of random target creatures. Goblins tapped in this way do not untap during their controllers' next untap phases.

Whenever a non-black creature is put into any graveyard from play, put a husk counter on Necropolis of Azar. 5, Remove a husk counter from Necropolis of Azar: Put a Spawn of Azar token into play. Treat this token as a black creature with a random power and toughness, each no less than 1 and no greater than 3, that has swampwalk.

Randomly distribute X -0/-1 counters among a random number of random target creatures.

During each player's upkeep, that player exchanges control of random target artifact, creature or land he or she controls, for control of random target permanent of the same type that a random opponent controls.

When Rainbow Knights comes into play, it gains protection from a random color permanently. 1: First strike until end of turn. WW: +0/+0, +1/+0 or +2/+0 until end of turn chosen at random.