Surgespanner [The Lost Caverns of Ixalan Commander] Elemental Dog then puts all cards revealed

then puts all cards revealed this way that weren't put onto the battlefield on the bottom of their library

Toxic 4 (Players dealt combat damage by this creature also get four poison counters

Tails You Lose Type: Land Rarity: Uncommon You have no maximum hand size

Each creature you tap while casting a legendary creature spell pays for {1} or one mana of that creature's color

Set: Core Set 2021 Type: Instant Rarity: Uncommon Cost: {1}{R} Double the power of target creature until end of turn

Surgespanner [The Lost Caverns of Ixalan Commander] Elemental Dog then puts all cards revealedSet: The Lost Caverns of Ixalan Commander Type: Creature Merfolk Wizard Rarity: Rare Cost: {2}{U}{U} Whenever Surgespanner becomes tapped, you may pay 1U. If you do, return target permanent to its owner's hand. They ride on waves of AEther, washing out anything that might pollute the Merrow Lanes.