Cruel Tutor [The List] Mountain Forest The activation of your cards

The activation of your cards and effects that include an effect that Fusion Summons a Fusion Monster cannot be negated

Set: Black & White: Black Star Promos Type: Stadium Rarity: Black Star Promo

Set: From the Vault: Exiled Type: Artifact Rarity: Mythic Cost: {1} {1}: Look at the top three cards of your library

Set: Gold Series 2009 Card type: Continuous Spell Rarity: Ultra Rare Attack: 0 Defense: 0 Send

you can also banish monsters from your field and/or either player's GY as Fusion Material

Cruel Tutor [The List] Mountain Forest The activation of your cardsSet: The List Type: Sorcery Rarity: Rare Cost: {2}{B} Search your library for a card, then shuffle and put that card on top. You lose 2 life. The more you pay for the lesson, the better you'll remember it.