Heat Ray [Urza's Saga] Sliver Construct Set: Aether Revolt Prerelease Promos

Set: Aether Revolt Prerelease Promos Type: Instant Rarity: Rare Cost: {1}{G} Permanents you control gain hexproof and indestructible until end of turn

If a creature would die this turn

transform Flameheart Werewolf

Set: Modern Masters 2017 Type: Creature — Ooze Rarity: Rare Cost: {1}{G} {G}: Exile target card from a graveyard

Each of those creatures doesn't untap during its controller's untap step for as long as it has a paralyzation counter on it

Heat Ray [Urza's Saga] Sliver Construct Set: Aether Revolt Prerelease PromosSet: Urza's Saga Type: Instant Rarity: Common Cost: {X}{R} Heat Ray deals X damage to target creature. It's not known whether the Thran built the device to forge their wonders or to defend them.