You may have this creature enter as a copy of any creature on the battlefield, except it's an Illusion in addition to its other types and it has "When this creature becomes the target of a spell or ability, sacrifice it."

Flash When this creature enters, target instant or sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost. (You may cast that card from your graveyard for its flashback cost. Then exile it.)

Flying Whenever an opponent draws a card, you may draw two cards.

Deathtouch Whenever this creature enters or attacks, create two 2/2 black Zombie creature tokens.

Deathtouch, lifelink When this creature dies, create a 3/3 colorless Phyrexian Wurm artifact creature token with deathtouch and a 3/3 colorless Phyrexian Wurm artifact creature token with lifelink.

Target creature gets -3/-1 until end of turn.

Counter target spell unless its controller pays {3}.

Counter target noncreature spell.

Draw a card. Flashback {2}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Destroy target nonblack creature.

Look at the top four cards of your library. Put one of them into your hand and the rest into your graveyard. Flashback {6}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Counter target spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

Put X -1/-1 counters on each creature. Shuffle Black Sun's Zenith into its owner's library.

({T}: Add {U}.)

({T}: Add {B}.)

This land enters tapped unless you control two or fewer other lands. {T}: Add {U} or {B}.

This land enters tapped unless you control an Island or a Swamp. {T}: Add {U} or {B}.

{T}: Add {C}. {1}{U}{B}, {T}: Target player mills three cards.

{T}: Add {C}. {T}, Sacrifice this land: Destroy target land. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle.