Den of the Bugbear (Ampersand Promo) [Dungeons & Dragons: Adventures in the Forgotten Realms Promos] Phyrexian Zombie Elf Whenever a land's ability causes

Whenever a land's ability causes you to add one or more mana of the chosen color

Set: Secret Lair Drop Series Type: Creature — Cat Rarity: Rare Cost: {2}{G}{G} {1}{G}: You may return another creature you control to its owner's hand

Huge Truck permanently gains all of the backup abilities shared this way

except they're 3/3 Dragon creatures in addition to their other types

Set: Kaldheim Prerelease Promos Type: Legendary Creature — God Rarity: Mythic Cost: {2}{R}{R} Trample

Den of the Bugbear (Ampersand Promo) [Dungeons & Dragons: Adventures in the Forgotten Realms Promos] Phyrexian Zombie Elf Whenever a land's ability causesSet: Dungeons & Dragons: Adventures in the Forgotten Realms Promos Type: Land Rarity: Rare If you control two or more other lands, Den of the Bugbear enters the battlefield tapped. {T}: Add {R}. {3}{R}: Until end of turn, Den of the Bugbear becomes a 3 2 red Goblin creature with "Whenever this creature attacks, create a 1 1 red Goblin creature token that's tapped and attacking." It's still a land.