Force of Nature

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
At the beginning of your upkeep, Force of Nature deals 8 damage to you unless you pay {G}{G}{G}{G}.

Mungha Wurm

You can't untap more than one land during your untap step.

Archfiend of the Dross

Flying
Archfiend of the Dross enters with four oil counters on it.
At the beginning of your upkeep, remove an oil counter from Archfiend of the Dross. Then if it has no oil counters on it, you lose the game.
Whenever a creature an opponent controls dies, its controller loses 2 life.

Juju Bubble

Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
When you play a card, sacrifice Juju Bubble.
{2}: You gain 1 life.

Jandor's Ring

{2}, {T}, Discard the last card you drew this turn: Draw a card.

Wastes

Demonic Tutor

Search your library for a card, put that card into your hand, then shuffle.

Alabaster Leech

White spells you cast cost {W} more to cast.

Yawgmoth Demon

Flying (This creature can't be blocked except by creatures with flying or reach.)
First strike (This creature deals combat damage before creatures without first strike.)
At the beginning of your upkeep, you may sacrifice an artifact. If you don't, tap Yawgmoth Demon and it deals 2 damage to you.

Tinker

As an additional cost to cast this spell, sacrifice an artifact.
Search your library for an artifact card, put that card onto the battlefield, then shuffle.

Steel Golem

Time Walk

Sorrow's Path

{T}: Choose two target blocking creatures controlled by the same opponent. If each of those creatures could block all creatures that the other is blocking, remove both of them from combat. Each one then blocks all creatures the other was blocking.
Whenever Sorrow's Path becomes tapped, it deals 2 damage to you and each creature you control.

Firedrinker Satyr

Whenever Firedrinker Satyr is dealt damage, it deals that much damage to you.
{1}{R}: Firedrinker Satyr gets +1/+0 until end of turn and deals 1 damage to you.

Sol Ring

Black Lotus

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

Aladdin's Ring

{8}, {T}: Aladdin's Ring deals 4 damage to any target.

Lord of the Pit

Flying, trample
At the beginning of your upkeep, sacrifice a creature other than Lord of the Pit. If you can't, Lord of the Pit deals 7 damage to you.

Ancestral Recall

Pale Moon

Until end of turn, if a player taps a nonbasic land for mana, it produces colorless mana instead of any other type.

Apocalypse Chime

{2}, {T}, Sacrifice Apocalypse Chime: Destroy all nontoken permanents with a name originally printed in the Homelands expansion. They can't be regenerated.

Thought Devourer

Flying
Your maximum hand size is reduced by four.

Common Cause

Nonartifact creatures get +2/+2 as long as they all share a color.

Balance

Each player chooses a number of lands they control equal to the number of lands controlled by the player who controls the fewest, then sacrifices the rest. Players discard cards and sacrifice creatures the same way.

Library of Alexandria

{T}: Add {C}.
{T}: Draw a card. Activate only if you have exactly seven cards in hand.

Tolarian Academy

{T}: Add {U} for each artifact you control.

Break Open

Turn target face-down creature an opponent controls face up.

Jackal Pup

Whenever Jackal Pup is dealt damage, it deals that much damage to you.

Akron Legionnaire

Except for creatures named Akron Legionnaire and artifact creatures, creatures you control can't attack.

Yawgmoth's Will

Until end of turn, you may play lands and cast spells from your graveyard.
If a card would be put into your graveyard from anywhere this turn, exile that card instead.

Coma Veil

Enchant artifact or creature
Enchanted permanent doesn't untap during its controller's untap step.