Search your library for a creature card, reveal it, then shuffle and put the card on top.

At the beginning of the end step, if no creatures are on the battlefield, sacrifice this enchantment.
: This enchantment deals 1 damage to each creature and each player.

At the beginning of your upkeep, destroy target creature with a -1/-1 counter on it.

: Add .
: This land becomes a 1/1 Phyrexian Blinkmoth artifact creature with flying and infect until end of turn. It's still a land. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Trample
Other Bears you control get +2/+2.
At the beginning of combat on your turn, put a trample counter on up to one target creature you control. It becomes a Bear in addition to its other types. Then if you control three or more Bears, draw two cards.

You draw two cards and lose 2 life.

, : Draw X cards. Activate only as a sorcery.
: Transform Bruce Banner. Activate only as a sorcery.

: Untap all creatures you control. After this main phase, there is an additional combat phase followed by an additional main phase. Activate only as a sorcery.

: Add .
: Target creature loses first strike or swampwalk until end of turn.

, : Target opponent mills a card, then repeats this process until a creature card or X cards have been put into their graveyard this way, whichever comes first. If one or more creature cards were put into that graveyard this way, sacrifice this artifact and put one of them onto the battlefield under your control. X can't be 0.

At the beginning of each player's upkeep, that player sacrifices a nonbasic land of their choice.

Whenever an opponent casts a noncreature spell, create a Food token. (It's an artifact with ", , Sacrifice this token: You gain 3 life.")
Whenever a creature deals combat damage to you, sacrifice a Food token.
Tap two untapped Foods you control: Add one mana of any color.

Changeling (This card is every creature type.)
As Morophon enters, choose a creature type.
Spells of the chosen type you cast cost less to cast. This effect reduces only the amount of colored mana you pay.
Other creatures you control of the chosen type get +1/+1.

When this creature dies, each player discards their hand.

: Add one mana of any color.
, : Up to X target creatures you control get +1/+0 and gain indestructible until end of turn, where X is the number of Bobbleheads you control as you activate this ability. Activate only as a sorcery.

Defender
Other permanents you control have indestructible.

This spell can't be countered.
Destroy target nonland permanent with mana value 3 or less.

: Add .
: Return target legendary creature to its owner's hand.

You may activate abilities of creatures you control as though those creatures had haste.
, : Untap target creature.

: Add .