Its a discard outlet by itself, and you can easily build a Voltron deck or reanimator deck around it
Free spells
9 Fangorn, Tree Shepherd Coming straight out of Middle-earth, in his own time, of course, Fangorn makes a big impression in a deck full of fellow Treefolk
Complimenting its massive scale, Emrakul, the Promised End has flying, trample, and protection from instants, allowing it to both easily deal damage and protect itself from instant-based removal
I tossed it into my Redshift Voltron Commander Deck this week, check it out here - ( Break people's faces with this planeswalker equipment duo
They always cost 7 colored mana, and use zero generic mana which requires incredible mana fixing to play on curve