Aleister the Invoker [SHVA-EN040] Secret Rare Beast-Warrior If there are 5 different

If there are 5 different "Forbidden One" cards in your Graveyard that were sent there by this card's effect

apply that target's effect

if this card is Special Summoned this turn: You can add 1 "Sky Striker" Spell from your Deck to your hand

You can only use this effect of "Subterror Behemoth Ultramafus" once per turn

When this card declares an attack

Aleister the Invoker [SHVA-EN040] Secret Rare Beast-Warrior If there are 5 differentSet: Shadows in Valhalla Card type: Effect Monster Rarity: Secret Rare Attack: 1000 Defense: 1800 (Quick Effect): You can send this card from your hand to the GY, then target 1 Fusion Monster you control; it gains 1000 ATK DEF until the end of this turn. If this card is Normal Summoned or flipped face up: You can add 1 "Invocation" from your Deck to your hand.