Spooky20

{T}, Pay 1 life: Add {B} or {G}. {1}, {T}, Sacrifice Nurturing Peatland: Draw a card.

Lonely Sandbar enters the battlefield tapped. {T}: Add {U}. Cycling {U} ({U}, Discard this card: Draw a card.)

{T}: Add {C}. {1}{W}, {T}: Put target enchantment card from your graveyard on top of your library.

{T}: Add {C}. {1}{S}: Until end of turn, Frostwalk Bastion becomes a 2/3 Construct artifact creature. It's still a land. ({S} can be paid with one...

Battle cry (Whenever this creature attacks, each other attacking creature gets +1/+0 until end of turn.) Whenever Rhox Veteran attacks, tap target ...

Haste Morbid — {T}: Vengeful Devil deals 1 damage to any target. Activate only if a creature died this turn.

{T}: Add {G}{G}{G}.

{R}: You may put a planeswalker card from your hand onto the battlefield. Sacrifice it at the beginning of the next end step.

Changeling (This card is every creature type.)

Destroy target artifact or land. It can't be regenerated.

Choose one — • Create three 1/1 red Goblin creature tokens. • Creatures you control get +1/+1 and gain haste until end of turn. Entwine {2}{R} (Cho...

{T}: Another target creature you control gains protection from colorless or from the color of your choice until end of turn.

Trample

When Goblin Matron enters the battlefield, you may search your library for a Goblin card, reveal that card, put it into your hand, then shuffle.

When Rank Officer enters the battlefield, you may discard a card. If you do, create a 2/2 black Zombie creature token. {1}{B}, {T}, Exile a creatur...

Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on...

Deathtouch As Plague Engineer enters the battlefield, choose a creature type. Creatures of the chosen type your opponents control get -1/-1.

Changeling

Changeling (This card is every creature type.) As Morophon, the Boundless enters the battlefield, choose a creature type. Spells of the chosen type...

Changeling (This card is every creature type.) When Graveshifter enters the battlefield, you may return target creature card from your graveyard to...

Menace Evolve (Whenever a creature enters the battlefield under your control, if that creature has greater power or toughness than this creature, p...

If it's not your turn, you may exile a black card from your hand rather than pay this spell's mana cost. Destroy all creatures that entered the ba...

When First-Sphere Gargantua enters the battlefield, you draw a card and you lose 1 life. Unearth {2}{B} ({2}{B}: Return this card from your graveya...