there's the Unglued cracked-egg symbol, there is a rooster head, a straight-up chicken, there's a glasses and a mustache, a goblin head, and I'm not even sure what the lower left thing is
This means that you can't play Demonic Tutor in your Standard or Modern decks
If you have a repeatable ability to cause discard you always do it at a sorcery speed
The other is the arrival of planeswalkers which Deed cannot destroy
Treasure Cruise is only narrow in that you need to have ways to fill up your graveyard quickly, be that lots of cycling, discard or just cheap spells
For example, a graveyard thats completely empty save for Bitterblossom (Tribal Enchantment) and Walking Ballista (Artifact Creature) would count as four types for Delirium