Elspeth, Knight-Errant [Duel Decks: Elspeth vs. Tezzeret] Human if Nether Spirit is the

if Nether Spirit is the only creature card in your graveyard

Set: SM - Cosmic Eclipse Type: Colorless Rarity: Secret Rare Retreat cost: 1 [3] Jumping Balloon (60+)

In ice there is perfect tranquility

−10: Target player's life total becomes 1

From the box (translated):

Elspeth, Knight-Errant [Duel Decks: Elspeth vs. Tezzeret] Human if Nether Spirit is theSet: Duel Decks: Elspeth vs. Tezzeret Type: Legendary Planeswalker Elspeth Rarity: Mythic Cost: {2}{W}{W} +1: Create a 1 1 white Soldier creature token. +1: Target creature gets +3 +3 and gains flying until end of turn. 8: You get an emblem with "Artifacts, creatures, enchantments, and lands you control have indestructible."