Black Lotus

{T}, Sacrifice Black Lotus: Add three mana of any one color.

Shivan Dragon

Flying
{R}: This creature gets +1/+0 until end of turn.

Disenchant

Shahrazad

Players play a Magic subgame, using their libraries as their decks. Each player who doesn't win the subgame loses half their life, rounded up.

Terror

Destroy target nonartifact, nonblack creature. It can't be regenerated.

Cruel Tutor

Search your library for a card, then shuffle and put that card on top. You lose 2 life.

Braingeyser

Imperial Seal

Chains of Mephistopheles

If a player would draw a card except the first one they draw in each of their draw steps, that player discards a card instead. If the player discards a card this way, they draw a card. If the player doesn't discard a card this way, they mill a card.

Time Vault

Time Vault enters tapped.
Time Vault doesn't untap during your untap step.
If you would begin your turn while Time Vault is tapped, you may skip that turn instead. If you do, untap Time Vault.
{T}: Take an extra turn after this one.

Sylvan Tutor

Search your library for a creature card, reveal it, then shuffle and put that card on top.

The One Ring

Indestructible
When The One Ring enters, if you cast it, you gain protection from everything until your next turn.
At the beginning of your upkeep, you lose 1 life for each burden counter on The One Ring.
{T}: Put a burden counter on The One Ring, then draw a card for each burden counter on The One Ring.