Flying
Whenever you investigate for the first time each turn, investigate an additional time.

Whenever one or more creatures you control deal combat damage to a player, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this token: Draw a card.")
, Exile a creature card from your graveyard: Investigate. You gain 2 life.

Defender
: This creature deals 1 damage to each opponent.
Whenever you cast an instant or sorcery spell, untap this creature.

When this creature enters, 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.

Reach
Discard a card: This creature gets +1/+1 until end of turn.

Escalate (Pay this cost for each mode chosen beyond the first.)
Choose one or more —
• Target player gains 4 life.
• Untap up to two target creatures.
• Target opponent sacrifices an attacking creature of their choice.

When this enchantment enters, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this token: Draw a card.")
Whenever you sacrifice a Clue, target player mills three cards.

Flash
Flying
Whenever this creature or another Spirit you control enters, tap target creature an opponent controls.

Trample
: Target attacking Wolf or Werewolf gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

Target creature you control gets +1/+1 until end of turn. It deals damage equal to its power to target creature you don't control.

Haste
At the beginning of each upkeep, if no spells were cast last turn, transform this creature.

Exile target nonland permanent. You lose 3 life.

Reveal the top five cards of your library. Put up to two instant and/or sorcery cards from among them into your hand and the rest into your graveyard.

Attacking creatures you control have first strike.
Whenever a Vampire you control deals combat damage to a player, put a +1/+1 counter on it.
Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Flash
Each creature you control that's a Wolf or a Werewolf gets +1/+1 and has trample.

Target opponent reveals their hand. You choose a nonland card from it and exile that card.
Delirium — If there are four or more card types among cards in your graveyard, search that player's graveyard, hand, and library for any number of cards with the same name as the exiled card, exile those cards, then that player shuffles.

Enchant creature
Enchanted creature gets +1/+1 for each creature you control.
As long as enchanted creature is a Human, it has first strike.

Delirium — : Transform this creature. Activate only if there are four or more card types among cards in your graveyard.

Haste
Delirium — When this creature enters, if there are four or more card types among cards in your graveyard, creatures with power 2 or less can't block this turn.

Whenever you sacrifice a Clue, you gain 3 life.

This artifact enters tapped.
: Add one mana of any color. Each player loses 1 life.
At the beginning of your upkeep, if each player has 10 or less life, transform this artifact.

Fiery Temper deals 3 damage to any target.
Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

At the beginning of your upkeep, you may mill two cards. (You may put the top two cards of your library into your graveyard.)
Whenever one or more land cards are put into your graveyard from anywhere for the first time each turn, create a 1/1 green Insect creature token.

Target creature gets +1/+1 and gains double strike until end of turn.

When this creature enters, you may return target Aura or Equipment card from your graveyard to your hand.

When this creature dies, return it to the battlefield transformed under your control.

Flying
: Return target Spirit you control to its owner's hand.

Creatures with power less than this creature's power can't block it.
: Transform this creature.

Return up to one target instant card and up to one target sorcery card from your graveyard to your hand, then discard a card. Exile Shreds of Sanity.

Whenever a nontoken creature you control dies, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this token: Draw a card.")
Whenever you sacrifice a Clue, create a 1/1 white Human Soldier creature token.

, , Sacrifice this artifact: Exile target creature card from your graveyard. Create a token that's a copy of that card, except it's 1/1, it's a Spirit in addition to its other types, and it has flying. Create a black Zombie creature token with power equal to that card's power and toughness equal to that card's toughness.

Trample
Whenever this creature deals combat damage to a player, exile the top card of your library. Until end of turn, you may play that card.
Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Equipped creature gets +2/+2.
Equip—Discard a card.

Spells your opponents cast that target this creature cost less to cast.
When this creature dies, return it to the battlefield transformed under your control attached to target opponent.

At the beginning of combat on your turn, target creature you control gains double strike until end of turn.

When this creature enters, look at the top four cards of your library. You may reveal a Human card from among them and put it into your hand. Put the rest on the bottom of your library in any order.