Sword of Kaldra [Mirrodin Promos] Khans of Tarkir Prerelease Promos you can Special Summon 1

you can Special Summon 1 level 4 or lower "X-Saber" monster from your Graveyard

Set: EX: Hidden Legends Type: Grass Rarity: Holo Rare Retreat cost: Colorless

Overload {6}{U} (You may cast this spell for its overload cost

Set: Elemental Energy Card type: Normal Trap Rarity: Ultimate Rare If there is a face-up monster on your side of the field that includes "Elemental Hero" in its card name

Set: Aquapolis Type: Grass Rarity: Uncommon Retreat cost: Colorless

Sword of Kaldra [Mirrodin Promos] Khans of Tarkir Prerelease Promos you can Special Summon 1Set: Mirrodin Promos Type: Legendary Artifact Equipment Rarity: Rare Cost: {4} Equipped creature gets +5 +5. Whenever equipped creature deals damage to a creature, exile that creature. (Exile it only if it's still on the battlefield.) Equip {4} ({4}: Attach to target creature you control. Equip only as a sorcery. This card enters the battlefield unattached and stays on the battlefield if the creature leaves.)