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.
Correspondingly, does unholy heat count itself for delirium?
Unholy Heat deals 2 damage to target creature or planeswalker. Delirium — Unholy Heat deals 6 damage instead if there are four or more card types among cards in your graveyard.
Similarly, does traverse the Ulvenwald count itself? They check that number only while they're resolving and don't count themselves, since they aren't in your graveyard yet. You only get the upgraded effect, not both effects.
Moreover, does delirium count itself MTG?
Spells with Delirium won't count themselves as they resolve.
What counts as card types in MTG?
- 300.1. The card types are artifact, conspiracy, creature, enchantment, instant, land, phenomenon, plane, planeswalker, scheme, sorcery, tribal, and vanguard.
- 300.2. Some objects have more than one card type (for example, an artifact creature).