Counter target artifact spell.

Counter target instant or Aura spell that targets a permanent you control.

{T}: Put a bounty counter on target nonblack creature.

{T}: Destroy target creature with a bounty counter on it.

Whenever you cast a blue spell, exile the top card of target player's library.

Whenever you cast a black spell, exile the top card of target player's library.

Your opponents can't cast spells with the same name as a card exiled with Circu, Dimir Lobotomist.

{T}: Add {C}.

{R}{G}, {T}: Target Beast creature you control fights target creature an opponent controls. (Each deals damage equal to its power to the other.)

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.)

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.

Whenever you're dealt damage, you may create that many 1/1 white Soldier creature tokens.

Target creature gets -1/-1 until end of turn for each Swamp you control.

Whenever Etali, Primal Storm attacks, exile the top card of each player's library, then you may cast any number of spells from among those cards without paying their mana costs.

{T}: Add {W}.

When Flagstones of Trokair is put into a graveyard from the battlefield, you may search your library for a Plains card, put it onto the battlefield tapped, then shuffle.

Target opponent chooses a card in your graveyard. You may pay {G}. If you do, repeat this process except that opponent can't choose a card already chosen for Forgotten Lore. Then put the last chosen card into your hand.

You may cast Haakon, Stromgald Scourge from your graveyard, but not from anywhere else.

As long as Haakon is on the battlefield, you may cast Knight spells from your graveyard.

When Haakon dies, you lose 2 life.

{T}: Add {C}.

{1}{W}, {T}: Put target enchantment card from your graveyard on top of your library.

Counter target artifact or enchantment spell. Its controller gains life equal to its mana value.

Imprint -- {T}: Exile target artifact card from a graveyard.

Myr Welder has all activated abilities of all cards exiled with it.

As Null Chamber enters the battlefield, you and an opponent each choose a card name other than a basic land card name.

Spells with the chosen names can't be cast and lands with the chosen names can't be played.

Flying

Whenever Numot, the Devastator deals combat damage to a player, you may pay {2}{R}. If you do, destroy up to two target lands.

Kicker {W} (You may pay an additional {W} as you cast this spell.)

Target player can't cast spells this turn. If this spell was kicked, creatures can't attack this turn.

Moonfolk offering (You may cast this card any time you could cast an instant by sacrificing a Moonfolk and paying the difference in mana costs between this and the sacrificed Moonfolk. Mana cost includes color.)

Flying

{1}: Put up to two land cards from your hand onto the battlefield tapped.

At the beginning of your upkeep, sacrifice Peacekeeper unless you pay {1}{W}.

Creatures can't attack.

When Phage the Untouchable enters the battlefield, if you didn't cast it from your hand, you lose the game.

Whenever Phage deals combat damage to a creature, destroy that creature. It can't be regenerated.

Whenever Phage deals combat damage to a player, that player loses the game.

Whenever a player taps a land for mana, if it's not that player's turn, destroy that land.

Artifacts and lands enter the battlefield tapped.

Counter target activated ability from an artifact source. (Mana abilities can't be targeted.)

Whenever you cast an artifact spell, create a 1/1 colorless Thopter artifact creature token with flying.

{1}{U}, Sacrifice two artifacts: Draw a card.

{T}: Add {B}.

{B}, {T}: Target legendary creature gains fear until end of turn. (It can't be blocked except by artifact creatures and/or black creatures.)

Deathtouch

Exploit (When this creature enters the battlefield, you may sacrifice a creature.)

When Sidisi, Undead Vizier exploits a creature, you may search your library for a card, put it into your hand, then shuffle.

Spells and abilities your opponents control can't cause you to sacrifice permanents.

Each noncreature artifact loses all abilities and becomes an artifact creature with power and toughness each equal to its mana value. If Titania's Song leaves the battlefield, this effect continues until end of turn.

{T}: Add {C}.

{1}, {T}: Target creature gains protection from artifacts until end of turn.

At the beginning of your upkeep, choose one --

• Each player with exactly 13 life loses the game, then each player gains 1 life.

• Each player with exactly 13 life loses the game, then each player loses 1 life.