Urza, Lord High Artificer (Borderless Textured Foil Frame Break) [Commander Masters] Turtle Den of the Bugbear becomes

Den of the Bugbear becomes a 3/2 red Goblin creature with "Whenever this creature attacks

Set: Beta Edition Type: Creature — Dwarf Rarity: Uncommon Cost: {2}{R} {T}: Destroy target Wall

create two 1/1 green and white Citizen creature tokens

Set: Multiverse Legends Type: Legendary Creature — Human Shaman Rarity: Rare Cost: {1}{B}{R} Other creatures you control get +1/+0

the player puts it into their graveyard

Urza, Lord High Artificer (Borderless Textured Foil Frame Break) [Commander Masters] Turtle Den of the Bugbear becomesSet: Commander Masters Type: Legendary Creature Human Artificer Rarity: Mythic Cost: {2}{U}{U} When Urza, Lord High Artificer enters the battlefield, create a 0 0 colorless Construct artifact creature token with "This creature gets +1 +1 for each artifact you control." Tap an untapped artifact you control: Add U. 5: Shuffle your library, then exile the top card. Until end of turn, you may play that card without paying its mana cost.