Until end of turn, creatures you control gain trample and get +X/+X, where X is the greatest power among creatures you control.

Sacrifice a creature: Add {C}{C}.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

{T}: Add {G}. Put a -1/-1 counter on this creature: Untap this creature.

{T}: Add {B}. This creature deals 1 damage to you.

{T}: Add {G}.

{1}, {T}: Add {B}{G}.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

{T}: Add {C}. {1}, {T}, Sacrifice this artifact: Draw a card.

{T}: Add {C}{C}.

Search your library for a card, put that card into your hand, then shuffle.

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

Wither (This deals damage to creatures in the form of -1/-1 counters.) Whenever a creature an opponent controls with a -1/-1 counter on it dies, you may return that card to the battlefield under your control.

Devour 1 (As this creature enters, you may sacrifice any number of creatures. It enters with that many +1/+1 counters on it.) Each other creature you control enters with an additional X +1/+1 counters on it, where X is the number of +1/+1 counters on this creature.

Whenever a creature dies, if it had a -1/-1 counter on it, put a -1/-1 counter on target creature.

Flying This creature enters with two -1/-1 counters on it. {B}, Remove a -1/-1 counter from this creature: Put a -1/-1 counter on each other creature.

Reach Whenever this creature deals combat damage to a creature, put a -1/-1 counter on that creature. Whenever you put one or more -1/-1 counters on a creature, each opponent loses 1 life and you gain 1 life.

If one or more +1/+1 counters would be put on an artifact or creature you control, that many plus one +1/+1 counters are put on it instead. {1}{G}, {T}: Put a +1/+1 counter on target artifact or creature you control. Activate only as a sorcery. Cycling {2} ({2}, Discard this card: Draw a card.)

This land enters tapped. When this land enters, exile target player's graveyard. {T}: Add {B}.

{T}: Add one mana of any color in your commander's color identity.

{T}: Add {C}. {T}: Add {B} or {G}. This land deals 1 damage to you.

{T}: Add {C}. {2}, {T}: Choose a color. Add an amount of mana of that color equal to your devotion to that color. (Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control.)

This land enters tapped. {T}: Add {G}. {T}: Put a +1/+1 counter on each green creature that entered this turn.

({T}: Add {B} or {G}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

{T}: Add {C}. {B/G}, {T}: Add {B}{B}, {B}{G}, or {G}{G}.

Flying Whenever you cycle or discard another card, put a -1/-1 counter on each creature your opponents control. Cycling {2} ({2}, Discard this card: Draw a card.)

Destroy target permanent an opponent controls. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle.

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

{1}{G}, Sacrifice this creature: Destroy target artifact or enchantment.

Destroy all creatures. They can't be regenerated.

Destroy target creature if it has mana value 2 or less. Revolt — Destroy that creature if it has mana value 4 or less instead if a permanent left the battlefield under your control this turn.

Whenever a creature you control dies, each other player sacrifices a creature of their choice.

Destroy target artifact or enchantment. Its controller gains 4 life.

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

When this creature enters, you may destroy target artifact or enchantment.

As an additional cost to cast this spell, pay X life. All creatures get -X/-X until end of turn.

Target creature gets -1/-1 until end of turn. Morbid — That creature gets -13/-13 until end of turn instead if a creature died this turn.

When this enchantment enters, create a 1/1 white Human Soldier creature token. Whenever a creature you control dies, each opponent loses 1 life and you gain 1 life.

Whenever you cast a creature spell, draw a card.

{G}, Sacrifice a creature: Reveal cards from the top of your library until you reveal a creature card. Put that card into your hand and the rest on the bottom of your library in a random order.

Whenever a creature dies, that creature's controller may draw a card.

Morph {B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) Whenever another nontoken creature you control dies, draw a card.

Converge — You draw X cards and you lose X life, where X is the number of colors of mana spent to cast this spell.

At the beginning of your upkeep, you draw a card and you lose 1 life.

As an additional cost to cast this spell, you may sacrifice one or more creatures. When you do, copy this spell for each creature sacrificed this way. You draw a card and you lose 1 life.

Equipped creature gets +1/-1. Whenever equipped creature dies, draw two cards. Equip {1}

Whenever a creature with a -1/-1 counter on it dies, draw a card. {1}{B}{R}: Put a -1/-1 counter on another target creature. When The Scorpion God dies, return it to its owner's hand at the beginning of the next end step.

As an additional cost to cast this spell, sacrifice a creature. Draw two cards.

Permanents you control gain hexproof and indestructible until end of turn.

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.) Equip {0}

If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead. If an effect would put one or more counters on a permanent you control, it puts twice that many of those counters on that permanent instead.

Whenever a -1/-1 counter is put on a creature, you may create a 1/1 green Elf Warrior creature token.

Whenever you put one or more -1/-1 counters on a creature, create that many 1/1 black Insect creature tokens.