Umbra Stalker [Eventide] Alchemy Set: Gladiator's Assault Card type:

Set: Gladiator's Assault Card type: Effect Monster Rarity: Super Rare Attack: 0 Defense: 0 When this card is destroyed by battle and sent to the Graveyard

This card gains ATK equal to the combined original ATK of the "Kaiju" monsters equipped to it by this effect

discard cards equal to that monster's Level

or Link Monsters used as Fusion Material for this card

Umbra Stalker [Eventide] Alchemy Set: Gladiator's Assault Card type:Set: Eventide Type: Creature Elemental Rarity: Rare Cost: {4}{B}{B}{B} Chroma Umbra Stalker's power and toughness are each equal to the number of black mana symbols in the mana costs of cards in your graveyard. Don't venture into the darkness, lest it decide not to let you leave.