Simic Growth Chamber [Commander 2019] Phyrexian Myr Set: Amonkhet Invocations Type: Instant

Set: Amonkhet Invocations Type: Instant — Arcane Rarity: Mythic Cost: {4}{R} You may put a creature card from your hand onto the battlefield

you lose the game

Change the text of target permanent by replacing all instances of one color word with another or one basic land type with another until end of turn

Then that player loses all unspent mana and you add the mana lost this way

{2}: Greater Morphling becomes the creature type of your choice until end of turn

Simic Growth Chamber [Commander 2019] Phyrexian Myr Set: Amonkhet Invocations Type: InstantSet: Commander 2019 Type: Land Rarity: Uncommon Simic Growth Chamber enters the battlefield tapped. When Simic Growth Chamber enters the battlefield, return a land you control to its owner's hand. {T}: Add {G}{U}.