Ephemerate

Exile target creature you control, then return it to the battlefield under its owner's control.
Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

Not Dead After All

Until end of turn, target creature you control gains "When this creature dies, return it to the battlefield tapped under its owner's control, then create a Wicked Role token attached to it." (Enchanted creature gets +1/+1. When this token is put into a graveyard, each opponent loses 1 life.)

Snowfield Sinkhole

({T}: Add {W} or {B}.)
This land enters tapped.

Dark Ritual

You Find a Cursed Idol

Choose one —
• Smash It — Destroy target artifact.
• Lift the Curse — Destroy target enchantment.
• Steal Its Eyes — Create a Treasure token and venture into the dungeon. (Enter the first room or advance to the next room.)

Arctic Treeline

({T}: Add {G} or {W}.)
This land enters tapped.

Utopia Sprawl

Enchant Forest
As this Aura enters, choose a color.
Whenever enchanted Forest is tapped for mana, its controller adds an additional one mana of the chosen color.

Cast Down

Troll of Khazad-dûm

This creature can't be blocked except by three or more creatures.
Swampcycling {1} ({1}, Discard this card: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle.)

Avenging Hunter

Trample
When this creature enters, you take the initiative.

Arbor Elf

Goliath Paladin

Vigilance
When this creature enters, you take the initiative.

Llanowar Visionary

When this creature enters, draw a card.
{T}: Add {G}.

Woodland Chasm

({T}: Add {B} or {G}.)
This land enters tapped.

Swamp

Vampire Sovereign

Flying
When this creature enters, target opponent loses 3 life and you gain 3 life.

Plains

Forest

Jewel Thief

Vigilance, trample
When this creature enters, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")