mtg.wtf

{R}: Exile the top card of your library. If that card is a land card, Chaos Harlequin gets -4/-0 until end of turn. Otherwise, Chaos Harlequin gets +2/+0 until end of turn.

{1}, {T}: If Chaos Orb is on the battlefield, flip Chaos Orb onto the battlefield from a height of at least one foot. If Chaos Orb turns over completely at least once during the flip, destroy all nontoken permanents it touches. Then destroy Chaos Orb.

Creatures with flying can block only creatures with flying.
Creatures without flying have reach.

Enchant creature
As Chromatic Armor enters the battlefield, choose a color.
Chromatic Armor enters the battlefield with a sleight counter on it.
Prevent all damage that would be dealt to enchanted creature by sources of the last chosen color.
{X}: Put a sleight counter on Chromatic Armor and choose a color. X is the number of sleight counters on Chromatic Armor.

{0}: Chronatog gets +3/+3 until end of turn. You skip your next turn. Activate only once each turn.

{1}, Sacrifice a creature: The next time a source of your choice would deal damage to any target this turn, prevent that damage.

Shroud
Echo {3}{G}

Whenever an opponent casts an artifact spell, put a +1/+1 counter on Citanul Druid.

Whenever one or more other nontoken permanents with a name originally printed in the Arabian Nights expansion are on the battlefield, their controllers sacrifice them.
Players can't cast spells or play lands with a name originally printed in the Arabian Nights expansion.

{T}, Exile a creature you control: Put a storage counter on City of Shadows.
{T}: Add {C} for each storage counter on City of Shadows.

Players can cast spells and activate abilities only during their own turns.

When you play another land, sacrifice City of Traitors.
{T}: Add {C}{C}.

Destroy all black creatures.

For each land, destroy that land unless any player pays 1 life.

Fear
When Commander Greven il-Vec enters the battlefield, sacrifice a creature.

{1}, {T}, Sacrifice Conch Horn: Draw two cards, then put a card from your hand on top of your library.

Remove Contract from Below from your deck before playing if you're not playing for ante.
Discard your hand, ante the top card of your library, then draw seven cards.

You may have Copy Artifact enter the battlefield as a copy of any artifact on the battlefield, except it's an enchantment in addition to its other types.

Buyback {2}
Return the top creature card of your graveyard to the battlefield. That creature gains haste until end of turn. Exile it at the beginning of the next end step.

Cumulative upkeep {1}
At the beginning of your upkeep, put a rust counter on each artifact target opponent controls. Then destroy each artifact with mana value less than or equal to the number of rust counters on it. Artifacts destroyed this way can't be regenerated.
When Corrosion leaves the battlefield, remove all rust counters from all permanents.

Flying
When you control no artifacts, sacrifice Covetous Dragon.

Crovax the Cursed enters the battlefield with four +1/+1 counters on it.
At the beginning of your upkeep, you may sacrifice a creature. If you do, put a +1/+1 counter on Crovax. If you don't, remove a +1/+1 counter from Crovax.
{B}: Crovax gains flying until end of turn.

{3}, {T}: Choose a card name, then reveal a card at random from your hand. If that card has the chosen name, Cursed Scroll deals 2 damage to any target.

Return Cycle of Life to its owner's hand: Target creature you cast this turn has base power and toughness 0/1 until your next upkeep. At the beginning of your next upkeep, put a +1/+1 counter on that creature.

{2}, {T}: Put a mire counter on target non-Swamp land. That land is a Swamp for as long as it has a mire counter on it. Activate only during your upkeep.
When Cyclopean Tomb is put into a graveyard from the battlefield, at the beginning of each of your upkeeps for the rest of the game, remove all mire counters from a land that a mire counter was put onto with Cyclopean Tomb but that a mire counter has not been removed from with Cyclopean Tomb.