It has a lot of top end (four 6+-drops not including the backside of Mila, Crafty Companion), lots of card advantage, and several splashes that heavily lean on the seven learn cards plus Environmental Sciences to tie together
Magic Madhouse discovered the theft after cataloging certain cards and realizing the missing products
From there you can win however you'd like, from Mesmeric Orb mill, Ley Weaver fetching Lore Weaver to draw your entire deck, or dump the mana into a game-winning X spell like Finale of Devastation
If there are 4 colors, they are simply referred to as 4C, and there is also a naming method that mentions the additional color in the name of the 3-color combination, such as Dark Bant or Jeskai Black, only when one or two fourth colors are added to the center of the 3 colors
Elixir of Immortality is the non-green card of choice for any deck wishing to secure the inevitability
That said, you would get to cast him again, allowing you to reanimate something else