Survival of the Fittest [Exodus] XY203 You can only use this

You can only use this effect of "Imperial Bower" once per turn

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

Set: Expedition: Base Set Type: Colorless Rarity: Holo Rare

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 only use thisSet: 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.