Dragon Tyrant

Flying, trample, rampage 2

: Elder Dragons you control get +7/+7 until end of turn.

At the beginning of your upkeep, sacrifice Eldest Dragon Highlander unless you pay .

You may pay rather than pay this spell's mana cost.

Trample

At the beginning of your upkeep, you may untap target creature and gain control of it until end of turn. That creature gains haste until end of turn.

Artifact offering (You may cast this spell as though 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.

At the beginning of your upkeep, exile the top card of your library. You may play it this turn.

(You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.)

This spell costs less to cast, where X is the greatest number of artifacts an opponent controls.

Flying, trample, haste

Whenever this creature deals combat damage to a player, you create a Treasure token for each artifact that player controls.

Flying

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