Flying, haste
Instant and sorcery spells cost {2} less to cast.
Whenever an opponent casts their second spell each turn, create a 5/5 red Dragon enchantment creature token with flying.

Untap target creature and gain control of it until end of turn. That creature gains haste until end of turn.

You may tap an untapped legendary creature you control instead of paying this spell's mana cost.
Enchant creature.
Enchanted creature gets +1/+0 and has menace.

At the beginning of combat on your turn, Thrill of the Trendchase becomes a copy of a creature on the battlefield chosen at random until end of turn, except it's a 5/5 red Elemental with flying and haste and isn't legendary if the chosen creature is legendary.

This spell costs {1} less to cast for each Elemental you control.
Haste

Exile the top three cards of your library. Choose two of them. You may play the chosen cards until the end of your next turn.

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. You may spend mana of any type to activate its abilities this turn.

Approval — {3}, {T}, Discard a card: Draw a card. This ability costs {X} less to activate, where X is the number of colors among permanents you control.

Whenever you gain control of a permanent you don't own or a permanent you don't own enters under your control, put a +1/+1 counter on Vagrant Sorceress.

Menace
Solidarity

Whenever you cast an artifact spell, create a 0/0 colorless Robot artifact creature token with a +1/+1 counter on it.
{2}, {T}: Add {R} for each artifact you control. Spend this mana only to cast artifact spells or activate abilities of artifacts.

You may cast target instant or sorcery card from your graveyard this turn. If that card would be put into your graveyard this turn, exile it instead.
Add one mana of any color for each time you've amped it up this turn.

Flying, haste
Amity — Whenever you attack with Warden of Heart and exactly one other creature, you may put a legendary or Dragon card from your hand onto the battlefield tapped and attacking.

Haste
When Wildfang Cavalier dies, create a 3/1 red Dinosaur creature token. It gains haste until end of turn. If it's your combat phase, there is an additional combat phase after this phase.

Choose one —
• Wyrmshot deals 3 damage divided as you choose among one, two, or three targets.
• Wyrmshot deals 6 damage to target creature, planeswalker, or battle.

Trample
Whenever you amp it up, double Xeon, BPM Savant's power until end of turn.

Menace
Whenever you sacrifice a permanent, exile the top card of your library. Until the end of your turn, you may play that card.

Ward—Pay 2 life.
Whenever Zygos attacks, bless target legendary creature you control.

Look at the top five cards of your library. You may reveal a permanent card with mana value 3 or less from among them and put it into your hand. Put the rest on the bottom of your library in any order.

When Ace Tamer enters, look at the top six cards of your library. You may reveal a non-Human creature card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Acid Hydra enters with X +1/+1 counters on it.
Drop — When Acid Hydra enters, search your library for a creature card with mana value X or less, put it onto the battlefield, then shuffle. Then return that creature to your hand unless you didn't cast any creature spells during your last turn.

Aethersteel Pouncer enters with a haste counter on it.

Aggressor Model enters with a +1/+1 counter on it.

When Alluring Queenpin enters, create a 3/3 green Elemental Spirit creature token.
Elementals you control get +1/+1.

When Alrantan Visionary enters, reveal the top three cards of your library. Put a noncreature permanent card from among them into your hand and the rest into your graveyard.
{T}: Add one mana of any color.
Wander {4}{G}{G}