Survival of the Fittest [Exodus] XY203 you can send this card

you can send this card from your hand to the Graveyard to have that monster gain ATK equal to the ATK of the opponent's monster it is battling

except it's a 4/4 black Zombie

Set: Dissension Type: Creature — Beast Rarity: Rare Cost: {5}{G}{G} When Protean Hulk dies

Set: Dark Beginning 1 Card type: Equip Spell Rarity: Ultra Rare Attack: 0 Defense: 0 Increase the ATK and DEF of the equipped monster by 500 points for each Spell and Trap Card on your side of the field

It''s also said that when the three are together

Survival of the Fittest [Exodus] XY203 you can send this cardSet: Exodus Type: Enchantment Rarity: Rare Cost: {1}{G} {G}, Discard a creature card: Search your library for a creature card, reveal that card, put it into your hand, then shuffle.