Teferi, Time Raveler [War of the Spark Prerelease Promos] The Lost Caverns of Ixalan Art Series Dragon Master can be your

Dragon Master can be your commander

but that only makes the towering crystal structures gleam brighter

Whenever you play a land

You get an emblem with "Creatures you control get +2/+2 and have trample

When Vaultborn Tyrant dies

Teferi, Time Raveler [War of the Spark Prerelease Promos] The Lost Caverns of Ixalan Art Series Dragon Master can be yourSet: War of the Spark Prerelease Promos Type: Legendary Planeswalker Teferi Rarity: Rare Cost: {1}{W}{U} Each opponent can cast spells only any time they could cast a sorcery. +1: Until your next turn, you may cast sorcery spells as though they had flash. 3: Return up to one target artifact, creature, or enchantment to its owner's hand. Draw a card.