When Audacious Roughrider enters or leaves the battlefield, exile the top card of your library. Then you may discard a card. If you do, put the exiled card into your hand. If you don't, create a Treasure token.
Wander {4}{R}{R}

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

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.

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

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.

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

Flying
Whenever you amp it up, create a 1/1 colorless Servo artifact creature token.

When Beckoner of Ends enters, target player discards a card. Integrate that card.
Beckoner of Ends has deathtouch as long as a land card is integrated onto it.

At the beginning of combat of your turn, Belief-Belying Beast gains flying until end of turn if you control a creature with flying. The same is true for first strike, double strike, deathtouch, haste, hexproof, indestructible, lifelink, menace, reach, trample, and vigilance.

Beloved Poppet can't be blocked by creatures with power 4 or greater.
Surface {4}{B}. This spell costs {3} less to cast if Beloved Poppet died this turn. Beloved Poppet surfaces transformed.

When Berry Fermenter enters, create a Berry token.
{2}, Sacrifice a Berry: You gain 3 life.
{T}, Sacrifice a Berry: Add one mana of any color.

Deathtouch
Whenever a creature you control deals combat damage to an opponent, draw a card. You lose 1 life unless that creature had deathtouch.

Creatures you control have “{T}: Create a Treasure token.”
{W}{U}{B}{R}{G}, Sacrifice Black-Tie Gala: Draw two cards.

Whenever an attacking creature you control dies, Bleeding Edge Memorial deals 1 damage to defending player.
Spellcharge 4

Enchant creature
Enchanted creature has double strike.

Enchant creature
Enchanted creature gets +2/+2 and has flying.
Whenever enchanted creature dies, create a 2/2 white Pegasus creature token with flying.

Target creature gets +2/+2 until end of turn and must be blocked this turn if able. Untap up to one target creature. It blocks this turn if able.
Surface {4}{G}

Flying, haste
When Blistering Cryophoenix enters, discard any number of cards, then draw that many cards.
If a spell you own which had its flashback cost paid would be put into exile, put it into your hand instead.

Choose one. If you control a Weather as you cast this spell, you may choose both instead.
• Put a +1/+1 counter on target creature for each basic land type among lands you control.
• Target creature you control deals damage equal to its power to target creature you don't control.

Choose one. If you control a Weather as you cast this spell, you may choose both instead.
• Creatures you control get +2/+1 until end of turn.
• Boiling Storm deals 2 damage to each creature.

Bouncers-for-Hire can't attack unless you control a red permanent.

Whenever you cast an instant spell, put a +1/+1 counter on Brass Oracle.
Whenever you cast a sorcery spell, Brass Oracle deals damage to target opponent equal to its power.

Draw two cards. If {W} was spent to cast this spell, you gain 2 life. If {B} was spent to cast this spell, each opponent loses 2 life.

You can't cast noncreature spells.
Creature spells you cast cost {X} less to cast, where X is the greatest power among creatures you control.

Reach
Bumbling Bigfoot doesn't untap during your untap step.
Wander {1}{G}{G}