mtg cards like heartstone | Premium Deck Series: Slivers This effect cant reduce the mana in that cost to less than one mana. Heartstone - MTG Wiki

The simple protection from the colors is just the start

Your opponents arent playing you, theyre playing their own greed, which is at the core of plenty of horror movies

And while it was fun, the deck suffered from needing to attack three opponents every turn to get maximum value

Eris also has flying and prowess, but the most important thing is: Once it's on the battlefield, whenever you cast your second spell each turn, it creates a 4/4 red Dragon Elemental token with flying and prowess

While the card not doing anything when you cast it is a shame, you only need one turn with this thing to completely transform your board state

Put X stun counters on those permanents and you gain X life, where X is the number of nonbasic lands you control