Sword of Kaldra [Mirrodin] Elf Warrior {T}: Add {U} or {B}

{T}: Add {U} or {B}

When Ancestral Knowledge enters the battlefield

+1: You gain 2 life for each Elf you control

if you cast it from your hand

you may reveal your hand and put all land cards from it onto the battlefield

Sword of Kaldra [Mirrodin] Elf Warrior {T}: Add {U} or {B}Set: Mirrodin Type: Legendary Artifact Equipment 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.)