This land enters tapped unless you control a Swamp. {T}: Add {B}. {1}{B}{B}, {T}: Draw a card, then you lose life equal to the number of cards in your hand.

{T}: Add {C}. {T}: Choose target commander that entered this turn. Put a +1/+1 counter on it if it's a creature and a loyalty counter on it if it's a planeswalker.

This land enters tapped. {T}: Add {G}. Graft 1 (This land enters with a +1/+1 counter on it. Whenever a creature enters, you may move a +1/+1 counter from this land onto it.)

Equipped creature can't be blocked. Whenever equipped creature is dealt damage, destroy it. Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.)

Equipped creature has trample and "Whenever this creature deals combat damage to a player, put that many +1/+1 counters on it." Equip {2}

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

Trample As long as this card is in your graveyard and you control a Forest, creatures you control have trample.

{1}, Sacrifice this creature: Choose one — • Destroy target artifact. • Destroy target enchantment. • Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

If one or more +1/+1 counters would be put on a creature you control, twice that many +1/+1 counters are put on it instead.

Haste This creature attacks each combat if able. {1}{B}, Exile this card from your graveyard: Put an indestructible counter on target creature. Activate only as a sorcery.

When this creature enters, put a lifelink counter on target non-Human creature you control. {1}{B}, {T}: Put a +1/+1 counter on each creature you control with lifelink.

Whenever a player casts a spell, you may put a +1/+1 counter on this creature. At the beginning of your upkeep, you may move any number of +1/+1 counters from this creature onto other creatures.

When this creature enters, put a trample counter on target non-Human creature you control. {2}{G}, {T}: Put a +1/+1 counter on each creature you control with trample.

{T}: Add {G}.

Reach, trample Whenever another creature you control enters, put X +1/+1 counters on it, where X is its power. Plot {3}{G} (You may pay {3}{G} and exile this card from your hand. Cast it as a sorcery on a later turn without paying its mana cost. Plot only as a sorcery.)

Sacrifice this creature: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Flying, vigilance, trample, lifelink {5}, Exile this card from your graveyard: Choose target creature. Put four +1/+1 counters, a flying counter, a vigilance counter, a trample counter, and a lifelink counter on that creature. Activate only as a sorcery.

Flash Hexproof When this creature enters, put a hexproof counter on target creature. Then move any number of counters from among creatures you control onto that creature.

Soulbond (You may pair this creature with another unpaired creature when either enters. They remain paired for as long as you control both of them.) As long as Thundering Mightmare is paired with another creature, each of those creatures has "Whenever an opponent casts a spell, put a +1/+1 counter on this creature."

Trample Cycling {1}{G} ({1}{G}, Discard this card: Draw a card.) When you cycle this card, put a trample counter on target creature you control.

Deathtouch Cycling {2}{B} ({2}{B}, Discard this card: Draw a card.) When you cycle this card, put a deathtouch counter on target creature you control.

Return up to two target creature cards with total mana value 3 or less from your graveyard to the battlefield. Put a deathtouch counter on either of them. Then put a menace counter on either of them.

Draw three cards.

Search your library for up to two creature cards and reveal them. Put one into your hand and the other into your graveyard. Then shuffle.

This spell can't be countered. Draw cards equal to the greatest toughness among creatures you control, then put any number of creature cards from your hand onto the battlefield.

Return target creature card from your graveyard to the battlefield with a lifelink counter on it.

Hideaway 5 (When this enchantment enters, look at the top five cards of your library, exile one face down, then put the rest on the bottom in a random order.) At the beginning of combat on your turn, put a +1/+1 counter on target creature you control. Then if you control a creature with power 7 or greater, you may play the exiled card without paying its mana cost.

Enchant creature At the beginning of your upkeep, put a +1/+1 counter on enchanted creature.

When this enchantment enters, if you control a creature with power 4 or greater, draw a card. Creatures you control have trample. (Each of those creatures can deal excess combat damage to the player or planeswalker it's attacking.) Whenever a creature you control with power 4 or greater enters, draw a card.

If one or more +1/+1 counters would be put on a creature you control, that many plus one +1/+1 counters are put on it instead.

Enchant creature When this Aura enters, put a +1/+1 counter on enchanted creature. At the beginning of your upkeep, double the number of +1/+1 counters on enchanted creature.

Enchant creature Enchanted creature has "Whenever another creature dies, put a +1/+1 counter on this creature." When enchanted creature dies, look at the top X cards of your library, where X is its power. Put one of those cards into your hand and the rest on the bottom of your library in a random order.

Enchant creature Whenever enchanted creature attacks, put a +1/+1 counter on it. Then if it has three or more +1/+1 counters on it, sacrifice this Aura. When you sacrifice this Aura, search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

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

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

Destroy target creature. Put a menace counter on a creature you control. (It can't be blocked except by two or more creatures.)

Choose target creature you control. Whenever that creature deals combat damage to a player or planeswalker this turn, draw that many cards.

Put a +1/+1 counter on target creature you control, then double the number of +1/+1 counters on that creature.

Exile target artifact or enchantment. Put X +1/+1 counters on target creature you control, where X is the mana value of the permanent exiled this way.

Put a +1/+1 counter on target creature you control. It gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)