Teferi, Time Raveler (Retro) [Secret Lair Drop Series] Alpha Print Set: Urza's Saga Type: Artifact

Set: Urza's Saga Type: Artifact Rarity: Rare Cost: {4} At the beginning of each player's upkeep

Set: The List Type: Legendary Creature — Eldrazi Rarity: Mythic Cost: {15} This spell can't be countered

defending player sacrifices a creature

including spells and artifacts of the realms

Numsgil did in Blog

Teferi, Time Raveler (Retro) [Secret Lair Drop Series] Alpha Print Set: Urza's Saga Type: ArtifactSet: Secret Lair Drop Series 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.