Terracrux

Legendary Creature — Phyrexian Horror

Flying Cumulative upkeep—Pay 1 life. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

Legendary Creature — Shapeshifter

Changeling (This card is every creature type.) As Morophon enters, choose a creature type. Spells of the chosen type you cast cost {W}{U}{B}{R}{G} 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.

Land

This land enters tapped unless you have two or more opponents. {T}: Add {U} or {B}.

Kindred Sorcery — Rogue

Prowl {1}{B} (You may cast this for its prowl cost if you dealt combat damage to a player this turn with a Rogue.) Target player loses 3 life and you gain 3 life. If this spell's prowl cost was paid, draw a card.

Instant

Target creature gets +1/+1 and gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

Creature — Insect

Whenever a player sacrifices a creature, you may put a +1/+1 counter on this creature.

Instant

Destroy target creature or enchantment.

Land

This land enters tapped. When this land enters, you may put target creature card from your graveyard on top of your library. {T}: Add {B}.

Creature — Snake

Deathtouch

Creature — Plant Skeleton

Kicker {3} (You may pay an additional {3} as you cast this spell.) If this creature was kicked, it enters with three +1/+1 counters on it. Whenever one or more +1/+1 counters are put on a creature you control, if this card is in your graveyard, you may put this card on top of your library.

Creature — Elemental Hydra

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) This creature enters with a +1/+1 counter on it. Landfall — Whenever a land you control enters, double the number of +1/+1 counters on this creature.

Land

Hideaway 4 (When this land enters, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.) This land enters tapped. {T}: Add {G}. {G}, {T}: You may play the exiled card without paying its mana cost if creatures you control have total power 10 or greater.

Creature — Shapeshifter

Changeling (This card is every creature type.) Tap an untapped creature you control: This creature gains flying until end of turn.

Creature — Bear

{3}{G}{G}, Exile this card from your graveyard: Create two 2/2 green Bear creature tokens. Activate only as a sorcery.

Creature — Human Cleric

{T}: Target creature you control gains protection from the color of your choice until end of turn.

Creature — Human Samurai

Flying Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.)

Basic Land — Mountain

({T}: Add {R}.)