Chaotic Goo [Tempest]Set: Tempest Type: Creature Ooze Rarity: Rare Cost: {2}{R}{R} Chaotic Goo enters the battlefield with three +1 +1 counters on it. At the beginning of your upkeep, you may flip a coin. If you win the flip, put a +1 +1 counter on Chaotic Goo. If you lose the flip, remove a +1 +1 counter from Chaotic Goo.

Set: EX: Hidden Legends Type: Item Rarity: Uncommon

Set: Ixalan Prerelease Promos Type: Artifact // Land Rarity: Rare Cost: {2} {3}

{T}: Return target card from your graveyard to your hand

you may change "swampwalk" to "plainswalk

and a land

Pay {E}: Aethersphere Harvester gains lifelink until end of turn

Set: Gym Challenge 1st Edition Type: Lightning Rarity: Rare Retreat cost: Colorless

Set: Black & White: Dark Explorers Type: Metal Rarity: Holo Rare Retreat cost: Colorless

which takes on the appearance of the nearby rock

Set: Diamond & Pearl: Mysterious Treasures Type: Lightning Rarity: Rare

Set: Tempest Type: Creature — Spirit Rarity: Rare Cost: {3}{U} Flying

Set: Sword & Shield: Fusion Strike Type: Darkness Rarity: Secret Rare Retreat cost: Colorless