Oracle

Instant 

Counter target sorcery spell.
Delirium - If there are four or more card types among cards in your graveyard, search the graveyard, hand, and library of that spell's controller for any number of cards with the same name as that spell, exile those cards, then that player shuffles their library.

Tournooi-info

Legal in: Vintage, Legacy, Modern, Commander

Officiele rulings

4/8/2016
Invasive Surgery’s delirium ability isn’t checked until after the sorcery spell has been countered. If that spell is put into your graveyard, it will be counted.

4/8/2016
The card types in Magic are artifact, creature, enchantment, instant, land, planeswalker, sorcery, and tribal (a card type that appears on some older cards). Supertypes (such as legendary and basic) and subtypes (such as Human and Equipment) are not counted.

4/8/2016
The number of card types matters, not the number of cards. For example, Wicker Witch (an artifact creature) along with Catalog (an instant) and Chaplain’s Blessing (a sorcery) will enable delirium.

4/8/2016
Because you consider only the characteristics of a double-faced card’s front face while it’s not on the battlefield, the types of its back face won’t be counted for delirium.

4/8/2016
In some rare cases, you can have a token or a copy of a spell in your graveyard at the moment that an object’s delirium ability counts the card types among cards in your graveyard, before that token or copy ceases to exist. Because tokens and copies of spells are not cards, even if they are copies of cards, their types will never be counted.

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