Populate X times. (To populate, create a token that's a copy of a creature token you control. Do this X times.)

Create a 5/5 green Wurm creature token with trample.

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

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Trample

Wurms you control get +2/+2 and have trample. {7}{G}, {T}: Create a 4/4 green Wurm creature token. This ability costs {X} less to activate, where X is the greatest power among Wurms you control.

Trample When this creature enters, you gain 3 life and draw a card. {2}{G}: Put this card from your graveyard into your library third from the top.

Reach, trample When this creature enters, you gain 5 life. {2}{G}, Exile this card from your graveyard: You gain 5 life.

Choose a number between 0 and 13. Each player sacrifices that many creatures of their choice.

({T}: Add {G} or {W}.) This land enters tapped unless you control two or more basic lands.

All creatures have haste.

Search your library for up to three creature cards, reveal them, then shuffle and put those cards on top in any order.

{T}, Sacrifice a creature: Put a charge counter on this artifact. {1}, Sacrifice this artifact: Draw a card for each charge counter on this artifact.

Destroy target artifact, target creature, target enchantment, and target land. (You can't cast this spell unless you have legal choices for all its targets.)

At the beginning of combat on your turn, populate. The token created this way gains haste. Sacrifice it at the beginning of the next end step. (To populate, create a token that's a copy of a creature token you control.)

As this creature enters, you may sacrifice any number of creatures and/or planeswalkers. If you do, it enters with twice that many +1/+1 counters on it.

Each player chooses a creature they control. Destroy the rest. Flashback {5}{W}{W} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

Whenever this creature blocks or becomes blocked by a creature, destroy that creature. You gain life equal to that creature's toughness.

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

Creatures you control have haste. Sacrifice this enchantment: Target creature gets +2/+2 until end of turn.

Devour 1 (As this creature enters, you may sacrifice any number of creatures. It enters with that many +1/+1 counters on it.)

Trample Morbid — This creature enters with four +1/+1 counters on it if a creature died this turn.

This creature can't be blocked by creatures with power 2 or less. Cycling {2} ({2}, Discard this card: Draw a card.)

{T}: Add {C}. {1}{R}, {T}: Put a pressure counter on this land. {1}{R}, {T}, Remove two pressure counters from this land and sacrifice it: Create a 4/4 red Hellion creature token with haste. (It can attack and {T} as soon as it comes under your control.)

{T}: Add {C}. {T}, Sacrifice a creature: You gain 1 life.

Choose one — • Destroy target artifact. • Destroy target enchantment. • Destroy target artifact and target enchantment.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Indestructible

Whenever a nontoken creature you control with power 4 or greater enters, populate. (Create a token that's a copy of a creature token you control.)

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.

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

This land enters tapped unless you control two or more other lands. {T}: Add {G} or {W}.

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.

{T}: Add one mana of any color. {1}, {T}: Untap target legendary creature you control.

Trample When this creature dies, create a 6/6 black Wurm creature token with trample.

Hexproof (This creature can't be the target of spells or abilities your opponents control.)

Kicker—Sacrifice a creature. (You may sacrifice a creature in addition to any other costs as you cast this spell.) Search your library for a basic land card, put that card onto the battlefield, then shuffle. If this spell was kicked, instead search your library for up to two basic land cards, put them onto the battlefield, then shuffle.

This spell costs {2} less to cast if a creature died this turn. Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.)

Riot (This creature enters with your choice of a +1/+1 counter or haste.) When this creature enters, choose up to one — • This creature fights target creature you don't control. • Destroy target land with an activated ability that isn't a mana ability.

When this creature enters, you gain 4 life.

Whenever this creature attacks, tap all artifacts.

This land enters tapped unless you control a Mountain or a Forest. {T}: Add {R} or {G}.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

Creatures with flying can't attack you or planeswalkers you control. At the beginning of your end step, create a 5/5 green Wurm creature token.

Trample Whenever a land enters, create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Trample

Trample When this creature enters, scry 3, then reveal the top card of your library. You gain life equal to that card's mana value.

Trample Delirium — At the beginning of your upkeep, if there are four or more card types among cards in your graveyard, put three +1/+1 counters on this creature.

This land enters tapped unless you control a Forest or a Plains. {T}: Add {G} or {W}.

Bargain (You may sacrifice an artifact, enchantment, or token as you cast this spell.) Look at the top twenty cards of your library. You may reveal up to two creature cards from among them. If this spell was bargained, put the revealed cards onto the battlefield. Otherwise, put the revealed cards into your hand. Then shuffle.

Populate. (Create a token that's a copy of a creature token you control.)

{2}, {T}, Sacrifice this artifact: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Trample When this creature dies, create three 5/5 green Wurm creature tokens with trample. When Worldspine Wurm is put into a graveyard from anywhere, shuffle it into its owner's library.

Prevent all combat damage that would be dealt to you this turn. Populate. (Create a token that's a copy of a creature token you control.)

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

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.

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.

At the beginning of your upkeep, if you control a creature with power 4 or greater, draw a card.

Whenever a creature you control with power 3 or greater enters, draw a card.

Ghired's Belligerence deals X damage divided as you choose among any number of target creatures. Whenever a creature dealt damage this way dies this turn, populate. (Create a token that's a copy of a creature token you control.)

Choose one — • Naya Charm deals 3 damage to target creature. • Return target card from a graveyard to its owner's hand. • Tap all creatures target player controls.

{T}: Add {C}. Basic landcycling {1} ({1}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {R}{W}.

({T}: Add {R} or {G}.) This land enters tapped unless you control two or more basic lands.

This land enters tapped unless you control a Mountain or a Plains. {T}: Add {R} or {W}.

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

{T}: Add one mana of any color that a land an opponent controls could produce.

({T}: Add {G}.)

This land enters tapped. {T}: Add {R}, {G}, or {W}.

This land enters tapped. {T}: Add {C}. {2}, {T}, Sacrifice this land: Search your library for a Forest card and a Plains card, put them onto the battlefield tapped, then shuffle.

({T}: Add {R}.)

This land enters tapped. {T}: Add {C}. {2}, {T}, Sacrifice this land: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

{T}: Add {C}. {1}, {T}, Sacrifice this land: Search your library for a basic Mountain, Forest, or Plains card, put it onto the battlefield tapped, then shuffle.

({T}: Add {W}.)