yugioh labyrinth cards YU-GI-OH! - Wall (LCJW-EN220) - Legendary Collection 4: Joey's World - 1st Edition you can add this additional effect to that cards effect at resolution Magical Labyrinth - Yugipedia

Not running a lot of artifacts in a monogreen deck

There are many different ways to build decks in Magic The Gathering's Commander format

Endbringer An Eldrazi that you have to pay 1 colorless, plus 5 more of any mana, this card untaps during each other player's untap step too

One solo activity you could try is organizing your Magic collection

Gramma Tala: Storyteller, Mickey Mouse: Detective, and One Jump Ahead are all key cards for ramping up in the Sapphire/Steel deck, with each offering its own method of adding to the inkwell at a low cost

Craterhoof Behemoth Craterhoof Behemoth, or Hoof, is a reason to play small creatures and mana dorks