mtg blue search your library for a card Momir Vig, Simic Visionary [Dissension] then shuffle your library search library for card mtg

You may reveal an enchantment card from among them and put it into your hand

This last one, even though it is somewhat weird, is necessary, considering we'll use card draw resources that are linked to the target creature's power or similar

Basically, you cast Reanimate targeting a creature, you sacrifice another creature to copy it, and then your copy targets the creature you just sacrificed

Throw in the absurd upside when it transforms and this is an incredible bomb

The -2 also circumvents expensive mana requirements by cheating an artifact into play for free and offers a bit of recursion if one of your equipment gets destroyed