Mana Vault [Alpha Edition] 172 Set: Worldwake Prerelease Promos Type:

Set: Worldwake Prerelease Promos Type: Instant Rarity: Mythic Cost: {X}{R}{R} Multikicker {1} (You may pay an additional {1} any number of times as you cast this spell

Volrath's Shapeshifter has the full text of that card and has the text "{2}: Discard a card

Set: War of the Spark Promos Type: Legendary Planeswalker — Ral Rarity: Rare Cost: {2}{U}{R} Whenever you cast or copy an instant or sorcery spell

Set: Alpha Edition Type: Enchantment Rarity: Common Cost: {2}{B}{B} At the beginning of the end step

Set: Dominaria Prerelease Promos Type: Legendary Planeswalker — Teferi Rarity: Mythic Cost: {3}{W}{U} +1: Draw a card

Mana Vault [Alpha Edition] 172 Set: Worldwake Prerelease Promos Type:Set: Alpha Edition Type: Artifact Rarity: Rare Cost: {1} Mana Vault doesn't untap during your untap step. At the beginning of your upkeep, you may pay {4}. If you do, untap Mana Vault. At the beginning of your draw step, if Mana Vault is tapped, it deals 1 damage to you. {T}: Add {C}{C}{C}.