This spell costs {1} less to cast if there is a card named Avert Disaster or Imminent Disaster in your graveyard.
Counter target spell.

You don't lose unspent mana as steps and phases end.
At the beginning of your end step, if you've spent at least five mana to cast spells this turn, draw a card. If you've spent at least ten, create a 10/10 green Elemental creature token. If you spent at least twenty, you gain 20 life. If you spent at least fifty, you win the game.

As an additional cost to cast this spell, remove any number of counters from among creatures you control. This spell costs {1} less to cast for each counter removed this way.
Search your library for a creature card with mana value X or less, put it onto the battlefield, then shuffle.

Flying
Favored
Whenever your Champion attacks, you may double its power until end of turn. If you do, sacrifice it at the beginning of the next end step.

Choose one or more —
• Exile each artifact with mana value X or less.
• Exile each creature with mana value X or less.
• Exile each enchantment with mana value X or less.

Whenever one or more cards are put into exile from graveyards and/or the battlefield during your turn, create a 1/1 blue Bird creature token with flying.

[+1]: Draw a card for each different mana value among spells you've cast this turn.
[–X]: Exile target nonland, nontoken permanent with mana value X or less. You create a colorless Saga enchantment token with time loop and “r3— You may cast a copy of the exiled card without paying its mana cost.”
[–8]: You take an extra turn after this one, and each opponent takes an extra turn after the last extra turn. You gain control of each opponent during that player's next turn.

Vigilance, lifelink
Ward—{2}, Pay 2 life.
Azantium, Perfect Creation has all activated abilities and triggered abilities of other artifacts you control.

Whenever this Subroutine runs, you draw three cards and you lose 3 life.

When this Subroutine enters, you create two 1/1 black Jellyfish enchantment creature tokens with flying, draw two cards, and gain 2 life.
Whenever this Subroutine leaves the battlefield or runs, you sacrifice a creature, discard a card, and lose 1 life.

Corrupt — When this Subroutine enters, if you control a permanent with greater mana value, it runs.
Whenever this Subroutine runs, create two 1/1 white Citizen creature tokens. They gain haste until end of turn.

Level up {3}{B}
[level 1-3] Menace
[level 4+] Menace

Return target creature to its owner's hand.

Put a +1/+1 counter on each creature you control.
Cycling {1}{G}
When you cycle this card, put a +1/+1 counter on target creature you control.

When Ballot Registrar enters, make a pledge.
Activated abilities of nonland permanents you control cost {1} less to activate. This effect can't reduce the mana in that cost to less than one mana.

Put target nonland permanent on the bottom of its owner's library. You gain 3 life.
Cycling {W/U}

Flying
Whenever you cast a noncreature spell, put a +1/+1 counter on this creature.

Exalted, exalted
When this artifact enters, if it was cast, exile target nonland permanent an opponent controls.

Up to X target creatures you control each get +1/+1 until end of turn. Untap those creatures.

When Barbarous Roughrider enters or leaves the battlefield, each opponent loses 2 life unless they sacrifice a nontoken creature.
Wander {4}{B}{B}

Trample
Solidarity

Flash
At the beginning of your end step, if you've cast no spells this turn, you may draw a card, then discard a card.

Barren Ashlands enters tapped.
{T}: Add {B} or {R}.
{5}{B/R}: Barren Ashlands becomes a 3/3 black and red Lizard creature with first strike until end of turn. It's still a land. This ability costs {X} less to activate, where X is your devotion to black and red. Activate only once each turn.

Lifelink, ward {1}
Whenever Basilo, Lion of Valor attacks, you may bless target nonenchanted creature.

Revered
Trample