Goblin Balloon Brigade [Alpha Edition] Grand Prix Promos the player can activate mana

the player can activate mana abilities only if they're from lands that player controls and only if mana they produce is spent to activate other mana abilities of lands the player controls and/or to play that card

Target creature gets -5/-5 until end of turn

Set: Betrayers of Kamigawa Type: Legendary Artifact — Equipment Rarity: Rare Cost: {2} Whenever equipped creature deals combat damage

Stinking of rot

Goblin Balloon Brigade [Alpha Edition] Grand Prix Promos the player can activate manaSet: Alpha Edition Type: Creature Goblin Warrior Rarity: Uncommon Cost: {R} {R}: Goblin Balloon Brigade gains flying until end of turn. "From up here we can drop rocks and arrows and more rocks!" "Uh, yeah boss, but how do we get down?"