Cascade, cascade, cascade, cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order. Multiple instances of cascade each trigger separately.)

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

When you cast this spell, you may return target creature card from your graveyard to the battlefield.

Annihilator 2 (Whenever this creature attacks, defending player sacrifices two permanents.)

Creatures you control have hexproof. (They can't be the targets of spells or abilities your opponents control.)

{1}{G}: Regenerate target creature.

Equipped creature has haste.

Whenever an ability of equipped creature is activated, if it isn't a mana ability, you may pay {1}. If you do, copy that ability. You may choose new targets for the copy.

Equip {2}

Flying

{T}: Add one mana of any color.

{T}: Add {G}.

Channel -- {1}{G}, Discard Boseiju, Who Endures: Destroy target artifact, enchantment, or nonbasic land an opponent controls. That player may search their library for a land card with a basic land type, put it onto the battlefield, then shuffle. This ability costs {1} less to activate for each legendary creature you control.

Cumulative upkeep--Add {R}. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

Castle Garenbrig enters the battlefield tapped unless you control a Forest.

{T}: Add {G}.

{2}{G}{G}, {T}: Add six {G}. Spend this mana only to cast creature spells or activate abilities of creatures.

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

{T}: Add {R}.

{T}: Add {G}.

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.

Vigilance, reach, trample

Whenever Elder Gargaroth attacks or blocks, choose one --

• Create a 3/3 green Beast creature token.

• You gain 3 life.

• Draw a card.

{T}: Add {G}.

Whenever Etali, Primal Storm attacks, exile the top card of each player's library, then you may cast any number of spells from among those cards without paying their mana costs.

When Eternal Witness enters the battlefield, you may return target card from your graveyard to your hand.

{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

{T}: Add {G}.

When Garruk's Uprising enters the battlefield, if you control a creature with power 4 or greater, draw a card.

Creatures you control have trample. (They can deal excess combat damage to the player or planeswalker they're attacking.)

Whenever a creature with power 4 or greater enters the battlefield under your control, draw a card.

Each spell you cast that's red or green costs {1} less to cast.

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

Activated abilities of creatures cost {1} less to activate. This effect can't reduce the mana in that cost to less than one mana.

Flying, trample

Whenever Hellkite Tyrant deals combat damage to a player, gain control of all artifacts that player controls.

At the beginning of your upkeep, if you control twenty or more artifacts, you win the game.

Whenever an ability of equipped creature is activated, if it isn't a mana ability, copy that ability. You may choose new targets for the copy.

Equip {3}

At the beginning of your upkeep, if there are seven or more lands on the battlefield, sacrifice Impending Disaster and destroy all lands.

This spell can't be countered.

Flying, haste

{R}: Inferno of the Star Mounts gets +1/+0 until end of turn. When its power becomes 20 this way, it deals 20 damage to any target.

Enchant creature

Enchanted creature can attack as though it had haste.

{0}: Untap enchanted creature. Activate only during your turn and only once each turn.

{T}: Add {C}.

{X}{R}{G}, {T}: Target creature gets +X/+0 and gains trample until end of turn.

When Kogla, the Titan Ape enters the battlefield, it fights up to one target creature you don't control.

Whenever Kogla attacks, destroy target artifact or enchantment defending player controls.

{1}{G}: Return target Human you control to its owner's hand. Kogla gains indestructible until end of turn.

When you cast this spell, draw four cards.

Annihilator 4 (Whenever this creature attacks, defending player sacrifices four permanents.)

When Kozilek, Butcher of Truth is put into a graveyard from anywhere, its owner shuffles their graveyard into their library.

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

Equip {0}

{2}, {T}: Copy target activated or triggered ability you control. You may choose new targets for the copy.

{3}, {T}: Copy target instant or sorcery spell you control. You may choose new targets for the copy.

{4}, {T}: Copy target permanent spell you control. (The copy becomes a token.)

{T}: Add {G}.

{1}, {T}: Untap target creature that has an activated ability with {T} in its cost.

At the beginning of your upkeep, flip a coin. If you lose the flip, Mana Crypt deals 3 damage to you.

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

If you tap a permanent for mana, it produces twice as much of that mana instead.

Hideaway 4 (When this land enters the battlefield, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.)

Mosswort Bridge enters the battlefield 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.

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

Trample

If you tap a permanent for mana, it produces three times as much of that mana instead.

If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead.

Exile the top card of your library. If it's a permanent card, you may put it onto the battlefield. If you do, repeat this process.

If one or more tokens would be created, twice that many of those tokens are created instead.

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

Return a Forest you control to its owner's hand: Untap target creature. Activate only once each turn.

When Reclamation Sage enters the battlefield, you may destroy target artifact or enchantment.

{T}: Add one mana of any color.

At the beginning of your upkeep, put a night counter on Replicating Ring. Then if it has eight or more night counters on it, remove all of them and create eight colorless snow artifact tokens named Replicated Ring with "{T}: Add one mana of any color."

Creature spells you control can't be countered.

Nontoken creatures you control have riot. (They enter the battlefield with your choice of a +1/+1 counter or haste.)

{T}: Untap another target snow permanent.

Whenever you activate an ability, if it isn't a mana ability, you may pay {2}. If you do, copy that ability. You may choose new targets for the copy.

Rootbound Crag enters the battlefield tapped unless you control a Mountain or a Forest.

{T}: Add {R} or {G}.

Sacrifice Sakura-Tribe Elder: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

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.

Other tapped creatures you control have deathtouch.

Other untapped creatures you control have hexproof.

{1}, {T}: Untap another target creature or land you control.

Flying

Whenever Savage Ventmaw attacks, add {R}{R}{R}{G}{G}{G}. Until end of turn, you don't lose this mana as steps and phases end.

Untap all permanents you control during each other player's untap step.

{T}: Untap target creature.

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

When Solemn Simulacrum enters the battlefield, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

When Solemn Simulacrum dies, you may draw a card.

{1}: Untap Staff of Domination.

{2}, {T}: You gain 1 life.

{3}, {T}: Untap target creature.

{4}, {T}: Tap target creature.

{5}, {T}: Draw a card.

({T}: Add {R} or {G}.)

As Stomping Ground enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

{3}, {T}: Create a colorless snow artifact token named Icy Manalith with "{T}: Add one mana of any color."

{6}{R}{G}, {T}: Look at the top four cards of your library. You may cast a spell from among them without paying its mana cost. Put the rest on the bottom of your library in a random order.

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.)

Equip {1}

At the beginning of your draw step, you may draw two additional cards. If you do, choose two cards in your hand drawn this turn. For each of those cards, pay 4 life or put the card on top of your library.

{T}: Add {C}.

{T}: Add {R} or {G}. Talisman of Impulse deals 1 damage to you.

Temple of Abandon enters the battlefield tapped.

When Temple of Abandon enters the battlefield, scry 1.

{T}: Add {R} or {G}.

When Terastodon enters the battlefield, you may destroy up to three target noncreature permanents. For each permanent put into a graveyard this way, its controller creates a 3/3 green Elephant creature token.

{T}, Sacrifice Terramorphic Expanse: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Flying

Spells your opponents cast that target Terror of the Peaks cost an additional 3 life to cast.

Whenever another creature enters the battlefield under your control, Terror of the Peaks deals damage equal to that creature's power to any target.

Haste

{1}, {T}: Copy target activated or triggered ability you control from another legendary source that's not a commander. You may choose new targets for the copy. (Mana abilities can't be targeted.)

You may activate abilities of creatures you control as though those creatures had haste.

{1}, {T}: Untap target creature.

At the beginning of your upkeep, you may add {C}{C}. You can't spend this mana to cast spells.

Reach, trample

When Titan of Industry enters the battlefield, choose two --

• Destroy target artifact or enchantment.

• Target player gains 5 life.

• Create a 4/4 green Rhino Warrior creature token.

• Put a shield counter on a creature you control.

+2: Ugin, the Spirit Dragon 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.

When you cast this spell, exile two target permanents.

Indestructible

Whenever Ulamog, the Ceaseless Hunger attacks, defending player exiles the top twenty cards of their library.

Equipped creature has "{3}, {Q}: This creature gets +2/+2 until end of turn." ({Q} is the untap symbol.)

Equip {0}

Untap all artifacts you control during each other player's untap step.

Enchant land

Whenever enchanted land is tapped for mana, its controller adds an additional {G}.