Mayhem is pretty similar to madness, only that it forces to player to follow timing restrictions
The Shattergang Brothers have three abilities, each one pertaining to one of those card types
And the card prices from this set tend to prove it, with secondary market values that are odd to figure out at times, like Serendib Efreets high cost despite the fact that a cheap version can be acquired for bulk rare $0.49, so you are only paying for the pimp-ed up fee to get one for $100+ dollars
The color of mana is crucial, with different spells necessitating specific colors
The downside is, old beaky is going to be a prime target for removal, as until you've used its ability to convert the exiled cards into life gain, they have a chance to extract them from its stomach
In MTG, Anax eventually ascends to godhood in a manner reminiscent of what happens to Heracles