This can indirectly kill you against faster decks when you draw it too often
Three copies of Gush seems to be the perfect number, It's a card that you almost always want to draw during a game, but you don't want to draw too many copies either
The game begins by playing a number of different efficiently priced spin creatures, many of which have strong secondary abilities, including making more spin tokens (Arasta, Bread Weaver, Drider, Penumbra Spider, Twin-Silk Spider, etc
Can you build a deck around them besides a commander format
Sometimes I would assemble a creature with Curiosity and Sigil of Sleep with a Winter Orb out while holding a hand with Gush and multiple counter spells
So if you want to play the bad guys of LOTR, like the idea of Grixis Control, and want some powerful Graveyard strategies with some Orc / Theft stuff sprinkled in, Hosts of Mordor is the deck for you