Mindwrack Demon

Flying, trample
When Mindwrack Demon enters the battlefield, mill four cards.
Delirium — At the beginning of your upkeep, you lose 4 life unless there are four or more card types among cards in your graveyard.

Moorland Drifter

Delirium — Moorland Drifter has flying as long as there are four or more card types among cards in your graveyard.

Stallion of Ashmouth

Delirium — : Stallion of Ashmouth gets +1/+1 until end of turn. Activate this ability only if there are four or more card types among cards in your graveyard.

Tooth Collector

When Tooth Collector enters the battlefield, target creature an opponent controls gets -1/-1 until end of turn.
Delirium — At the beginning of each opponent’s upkeep, if there are four or more card types among cards in your graveyard, target creature that player controls gets -1/-1 until end of turn.

Reaper of Flight Moonsilver

Flying
Delirium — Sacrifice another creature: Reaper of Flight Moonsilver gets +2/+1 until end of turn. Activate this ability only if there are four or more card types among cards in your graveyard.

Descend upon the Sinful

Exile all creatures.
Delirium — Create a 4/4 white Angel creature token with flying if there are four or more card types among cards in your graveyard.

Might Beyond Reason

Put two +1/+1 counters on target creature.
Delirium — Put three +1/+1 counters on that creature instead if there are four or more card types among cards in your graveyard.

Manic Scribe

When Manic Scribe enters the battlefield, each opponent mills three cards.
Delirium — At the beginning of each opponent’s upkeep, if there are four or more card types among cards in your graveyard, that player mills three cards.

Traverse the Ulvenwald

Search your library for a basic land card, reveal it, put it into your hand, then shuffle your library.
Delirium — If there are four or more card types among cards in your graveyard, instead search your library for a creature or land card, reveal it, put it into your hand, then shuffle your library.

To the Slaughter

Target player sacrifices a creature or planeswalker.
Delirium — If there are four or more card types among cards in your graveyard, instead that player sacrifices a creature and a planeswalker.

Kessig Dire Swine

Delirium — Kessig Dire Swine has trample as long as there are four or more card types among cards in your graveyard.

Mindwrack Demon

Flying, trample
When Mindwrack Demon enters the battlefield, mill four cards.
Delirium — At the beginning of your upkeep, you lose 4 life unless there are four or more card types among cards in your graveyard.

Tooth Collector

When Tooth Collector enters the battlefield, target creature an opponent controls gets -1/-1 until end of turn.
Delirium — At the beginning of each opponent’s upkeep, if there are four or more card types among cards in your graveyard, target creature that player controls gets -1/-1 until end of turn.

Topplegeist

Flying
When Topplegeist enters the battlefield, tap target creature an opponent controls.
Delirium — At the beginning of each opponent’s upkeep, if there are four or more card types among cards in your graveyard, tap target creature that player controls.