Sword of Feast and Famine [Kaladesh Inventions] Dark Revelation Volume 2 You can only use this

You can only use this effect of "Marincess Sea Horse" once per turn

inflict 600 damage to your opponent for each monster they control

By discarding 1 card from your hand

Set: Eternal Masters Type: Artifact Rarity: Rare Cost: {2} As long as Winter Orb is untapped

Sword of Feast and Famine [Kaladesh Inventions] Dark Revelation Volume 2 You can only use thisSet: Kaladesh Inventions Type: Artifact Equipment Rarity: Mythic Cost: {3} Equipped creature gets +2 +2 and has protection from black and from green. Whenever equipped creature deals combat damage to a player, that player discards a card and you untap all lands you control. Equip {2}