mtg faerie cards Dreamthief | Wilds of Eldraine | Standard each opponent loses X life and you gain X life Faerie Mastermind #058 holo from

This is thanks to the card only providing hexproof against blue and black, alongside making your spells uncounterable

While they werent playable and did not provide any benefits to players, you could display them as decoration

I usually see this card in decks built around Tergrid, God of Fright because of how effective it is at removing resources from opponents and potentially stealing them with her ability

Nightmare Moon / Princess Luna provide an interesting multiplayer functionality by making friends while also referencing Nightmare Moon's affinity for the night and cards with Moons on them (Blood Moon, anypony?), and Twilight's abilities are obvious as the Princess of Friendship even if there aren't any Applejack, Fluttershy, Pinkie Pie, or Rainbow Dash cards to go with her yet (this means Wizards needs to get on the ball!)

Riot: First, he has Riot, letting you choose between haste or a +1/+1 counter when he enters the battlefield

There's a slim chance of the opponent getting an even better card from Chaos Warp's effect, but in most cases, it's worth the risk