Flying

When Knollspine Dragon enters the battlefield, you may discard your hand and draw cards equal to the damage dealt to target opponent this turn.

Delve (Each card you exile from your graveyard while casting this spell pays for .)

Flying

Murktide Regent enters the battlefield with a +1/+1 counter on it for each instant and sorcery card exiled with it.

Whenever an instant or sorcery card leaves your graveyard, put a +1/+1 counter on Murktide Regent.

Flying

Whenever a creature you control deals combat damage to a player, create that many Treasure tokens.

Flying

: Tap target creature and put an ice counter on it. ( can be paid with one mana from a snow source.)

Creatures with ice counters on them don't untap during their controllers' untap steps.

Flying

You may cast Scourge of Nel Toth from your graveyard by paying and sacrificing two creatures rather than paying its mana cost.

Flying (This creature can't be blocked except by creatures with flying or reach.)

: Shivan Hellkite deals 1 damage to any target.

Flying

When Skyline Despot enters the battlefield, you become the monarch.

At the beginning of your upkeep, if you're the monarch, create a 5/5 red Dragon creature token with flying.

Sword Coast Serpent can't be blocked as long as you've cast a noncreature spell this turn.

Flying

When Thunder Dragon enters the battlefield, it deals 3 damage to each creature without flying.

Surge (You may cast this spell for its surge cost if you or a teammate has cast another spell this turn.)

Flying

When Tyrant of Valakut enters the battlefield, if its surge cost was paid, it deals 3 damage to any target.

Flying, vigilance, haste

Whenever Velomachus Lorehold attacks, look at the top seven cards of your library. You may cast an instant or sorcery spell with mana value less than or equal to Velomachus Lorehold's power from among them without paying its mana cost. Put the rest on the bottom of your library in a random order.

Flying

At the beginning of your upkeep, sacrifice Arcades Sabboth unless you pay .

Each untapped creature you control gets +0/+2 as long as it's not attacking.

: Arcades Sabboth gets +0/+1 until end of turn.

Flash

Flying

When Bogardan Hellkite enters the battlefield, it deals 5 damage divided as you choose among any number of targets.

Flying

Rampage 2 <I>(Whenever this creature becomes blocked, it gets +2/+2 until end of turn for each creature blocking it beyond the first.)</I>

At the beginning of your upkeep, sacrifice Chromium unless you pay .

Flying, trample, haste

: Hellkite Overlord gets +1/+0 until end of turn.

: Regenerate Hellkite Overlord.

This spell costs less to cast for each card type among permanents you've sacrificed this turn.

Flying, trample, haste

Whenever Korvold deals combat damage to a player, put X +1/+1 counters on Korvold and draw X cards, where X is the number of permanent types among cards in your graveyard.

Flying, trample

At the beginning of your upkeep, sacrifice Palladia-Mors unless you pay .

Flying

: Scourge of Kher Ridges deals 2 damage to each creature without flying.

: Scourge of Kher Ridges deals 6 damage to each other creature with flying.

Flying

At the beginning of your upkeep, sacrifice Vaevictis Asmadi unless you pay .

: Vaevictis Asmadi gets +1/+0 until end of turn.

: Vaevictis Asmadi gets +1/+0 until end of turn.

: Vaevictis Asmadi gets +1/+0 until end of turn.

Artifact offering (You may cast this spell as thought it had flash by sacrificing an artifact and paying the difference in mana costs between this and the sacrificed artifact. Mana cost includes color.)

Flying, double strike

Creatures attacking your opponents have double strike.

Affinity for artifacts (This spell costs less to cast for each artifact you control.)

Flying, haste

Whenever Chiss-Goria, Forge Tyrant attacks, exile the top five cards of your library. You may cast an artifact spell from among them this turn. If you do, it has affinity for artifacts.

Flying

When Fire Dragon enters the battlefield, it deals damage to target creature equal to the number of Mountains you control.

Assist (Another player can pay up to of this spell's cost.)

Flying

When Lava-Field Overlord enters the battlefield, it deals 4 damage to target creature an opponent controls.

Flying; trample; rampage 4 <I>(Whenever this creature becomes blocked, it gets +4/+4 until end of turn for each creature blocking it beyond the first.)</I>

When Zodiac Dragon is put into your graveyard from the battlefield, you may return it to your hand.

Domain — This spell costs less to cast for each basic land type among lands you control.

Flying

Each creature you control has vigilance if it's white, hexproof if it's blue, lifelink if it's black, first strike if it's red, and trample if it's green.

Domain — This spell costs less to cast for each basic land type among lands you control.

Flying

Domain — At the beginning of your upkeep, sacrifice Draco unless you pay . This cost is reduced by for each basic land type among lands you control.