Sword of Kaldra [Mirrodin] Elf Warrior The Arbiter is a conduit

The Arbiter is a conduit of justice

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

then create six 2/2 green Cat Warrior creature tokens with forestwalk

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

When Ancestral Knowledge enters the battlefield

Sword of Kaldra [Mirrodin] Elf Warrior The Arbiter is a conduitSet: 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.)