Heirloom Blade [Secret Lair Drop Series] Windgrace Set: Return to Ravnica Type:

Set: Return to Ravnica Type: Land — Island Mountain Rarity: Rare ({T}: Add {U} or {R}

Set: Commander's Arsenal Oversized Type: Legendary Creature — Sliver Rarity: Rare Cost: {W}{U}{B}{R}{G} {2}: Create a 1/1 colorless Sliver creature token

and it's even possible to open 4 though that's less than 1% of the time

Set: Summer Magic / Edgar Type: Enchantment — Aura Rarity: Uncommon Cost: {2}{U} Enchant enchantment

"After these words the magician drew a ring off his finger

Heirloom Blade [Secret Lair Drop Series] Windgrace Set: Return to Ravnica Type:Set: Secret Lair Drop Series Type: Artifact Equipment Rarity: Rare Cost: {3} Equipped creature gets +3 +1. Whenever equipped creature dies, you may reveal cards from the top of your library until you reveal a creature card that shares a creature type with it. Put that card into your hand and the rest on the bottom of your library in a random order. Equip {1}