The Mindskinner can't be blocked.If a source you control would deal damage to an opponent, prevent that damage and each opponent mills that many cards.
FlyingWhen Ghostly Dancers enters, return an enchantment card from your graveyard to your hand or unlock a locked door of a Room you control.Eerie — Whenever an enchantment you control enters and whenever you fully unlock a Room, create a 3/1 white Spirit creature token with flying.
If Leyline of Resonance is in your opening hand, you may begin the game with it on the battlefield.Whenever you cast an instant or sorcery spell that targets only a single creature you control, copy that spell. You may choose new targets for the copy.
Creature spells you cast have convoke. (Your creatures can help cast those spells. Each creature you tap while casting a creature spell pays for or one mana of that creature's color.)(You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.)Untap each creature you control...
FlashVigilanceWhen Floodpits Drowner enters, tap target creature an opponent controls and put a stun counter on it., : Shuffle Floodpits Drowner and target creature with a stun counter on it into their owners' libraries.
If Leyline of the Void is in your opening hand, you may begin the game with it on the battlefield.If a card would be put into an opponent's graveyard from anywhere, exile it instead.
Delirium — If a source you control would deal noncombat damage to a permanent or player while there are four or more card types among cards in your graveyard, it deals double that damage instead.When The Rollercrusher Ride enters, it deals X damage to each of up to X target creatures.