Chain of Smog [Onslaught] Merfolk Warrior Set: Core Set 2019 Prerelease

Set: Core Set 2019 Prerelease Promos Type: Artifact Rarity: Mythic Cost: {3} You may play lands from your graveyard

Prevent all damage that would be dealt to you this turn by attacking creatures

tap all untapped creatures that share a creature type with it or untap all tapped creatures that share a creature type with it

Set: Explorers of Ixalan Type: Instant Rarity: Rare Cost: {5}{W} Double target player's life total

Even as humans regained the upper hand

Chain of Smog [Onslaught] Merfolk Warrior Set: Core Set 2019 PrereleaseSet: Onslaught Type: Sorcery Rarity: Uncommon Cost: {1}{B} Target player discards two cards. That player may copy this spell and may choose a new target for that copy.