Flying, lifelink, haste

Flying, trample Whenever a Dragon you control attacks, it gains double strike until end of turn.

Flying Whenever Drakuseth, Maw of Flames attacks, it deals 4 damage to any target and 3 damage to each of up to two other targets.

Flying, haste Whenever Goldspan Dragon attacks or becomes the target of a spell, create a Treasure token. Treasures you control have "{T}, Sacrifice this artifact: Add two mana of any one color."

As an additional cost to cast this spell, discard a card. Draw two cards and create two Treasure tokens. (They're artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.")

Surveil 1. (Look at the top card of your library. You may put it into your graveyard.) Draw a card.

({T}: Add {G} or {U}.) As Breeding Pool enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

({T}: Add {G}.)

({T}: Add {W} or {U}.) As Hallowed Fountain enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

({T}: Add {R} or {W}.) As Sacred Foundry enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

({T}: Add {U} or {R}.) As Steam Vents enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Dragon's Approach deals 3 damage to each opponent. You may exile Dragon's Approach and four cards named Dragon's Approach from your graveyard. If you do, search your library for a Dragon creature card, put it onto the battlefield, then shuffle. A deck can have any number of cards named Dragon's Approach.

Choose two — • Choose target player. They may discard up to X cards. Then they draw a card for each card discarded this way. • This spell deals X damage to target creature. • This spell deals X damage to target planeswalker. • Target creature gets +X/+0 and gains haste until end of turn.

Choose one — • Cathartic Pyre deals 3 damage to target creature or planeswalker. • Discard up to two cards, then draw that many cards.

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.