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

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

When Contagion Clasp enters, put a -1/-1 counter on target creature. {4}, {T}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

When this artifact enters, put a -1/-1 counter on each creature target player controls. {4}, {T}: Proliferate twice. (Choose any number of permanents and/or players, then give each another counter of each kind already there. Then do it again.)

Each player loses X life, discards X cards, sacrifices X creatures of their choice, then sacrifices X lands of their choice.

Destroy target creature. Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

At the beginning of your upkeep, if an opponent controls three or more creatures, sacrifice this enchantment, search your library for up to two creature cards, put those cards onto the battlefield, then shuffle.

{1}{G}, Sacrifice this creature: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. If this card is in a graveyard, effects from spells named Muscle Burst count it as a card named Muscle Burst.

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

{T}: Add {G}.

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

Landfall — Whenever a land you control enters, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

{2}, {T}, Sacrifice this artifact: Search your library for a land card, reveal it, put it into your hand, then shuffle.

You may play an additional land this turn. Draw a card.

Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

Enchant land Whenever enchanted land is tapped for mana, its controller adds an additional one mana of any color.

+2: Create a 1/1 green Elf Druid creature token with "{T}: Add {G}." −2: Destroy target artifact or enchantment. −6: Draw a card for each green creature you control. Freyalise, Llanowar's Fury can be your commander.

{T}: Add {G}.

+1: Reveal the top five cards of your library. Put all creature cards revealed this way into your hand and the rest on the bottom of your library in any order. −3: You may put a green creature card from your hand onto the battlefield. −7: You get an emblem with "Whenever you cast a creature spell, you may search your library for a creature card, put it onto the battlefield, then shuffle."

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

Partner with Virtus the Veiled (When this creature enters, target player may put Virtus into their hand from their library, then shuffle.) Vigilance Gorm must be blocked if able, and Gorm must be blocked by two or more creatures if able.

Draw three cards.

{T}: Add {G}. {2}, Sacrifice this creature: Draw a card.

Search your library for up to two land cards, put them onto the battlefield tapped, then shuffle. Then if you control three or more Deserts, create two 2/2 black Zombie creature tokens.

+4: Target player exiles a card from their hand. −3: Exile target permanent. −14: Restart the game, leaving in exile all non-Aura permanent cards exiled with Karn. Then put those cards onto the battlefield under your control.

{T}: Add {G}.

Search your library for a Forest card, put that card onto the battlefield, then shuffle.

This artifact enters tapped. {1}, {T}: Destroy all artifacts, creatures, and enchantments.

+1: Untap target land you control. Until your next turn, it becomes a 5/5 Elemental creature with haste. It's still a land. −3: Return target permanent card from your graveyard to your hand. −6: You get an emblem with "Whenever a land you control enters, you may draw a card."

When Oath of Nissa enters, look at the top three cards of your library. You may reveal a creature, land, or planeswalker card from among them and put it into your hand. Put the rest on the bottom of your library in any order. You may spend mana as though it were mana of any color to cast planeswalker spells.

+1: You draw a card and you lose 1 life. −3: Destroy target creature. −8: Target opponent gets an emblem with "Whenever a player draws a card, you lose 2 life."

You may play an additional land on each of your turns. Play with the top card of your library revealed. You may play lands from the top of your library.

{X}, Sacrifice this enchantment: Destroy each artifact, creature, and enchantment with mana value X or less.

Partner with Toothy, Imaginary Friend (When this creature enters, target player may put Toothy into their hand from their library, then shuffle.) If one or more counters would be put on a permanent your team controls, that many plus one of each of those kinds of counters are put on that permanent instead.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.) When this creature enters, destroy target nonartifact, nonblack creature. Evoke {1}{B} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters.)

No more than one creature can attack each combat. No more than one creature can block each combat.

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

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

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

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

+2: Ugin deals 3 damage to any target. −X: Exile each permanent with mana value X or less that's one or more colors. −10: You gain 7 life, draw seven cards, then put up to seven permanent cards from your hand onto the battlefield.

Partner with Gorm the Great (When this creature enters, target player may put Gorm into their hand from their library, then shuffle.) Deathtouch Whenever Virtus deals combat damage to a player, that player loses half their life, rounded up.

+1: Look at the top four cards of your library. You may reveal a creature or land card from among them and put it into your hand. Put the rest on the bottom of your library in a random order. −3: Destroy target artifact, enchantment, or creature with flying. −8: You get an emblem with "Creatures you control get +2/+2 and have vigilance, trample, and indestructible."

{T}: Untap target land.

+1: Until your next turn, whenever a creature deals combat damage to Vraska, destroy that creature. −3: Destroy target nonland permanent. −7: Create three 1/1 black Assassin creature tokens with "Whenever this token deals combat damage to a player, that player loses the game."

+2: You may sacrifice another permanent. If you do, you gain 1 life and draw a card. −3: Destroy target nonland permanent with mana value 3 or less. −9: You get an emblem with "Whenever a creature you control deals combat damage to a player, that player loses the game."