Whenever one or more modified creatures you control attack, untap all modified creatures you control. After this combat phase, there is an additional combat phase. This ability triggers only once each turn. (Equipment, Auras you control, and counters are modifications.)

Flying

Whenever Ancient Bronze Dragon deals combat damage to a player, roll a d20. When you do, put X +1/+1 counters on each of up to two target creatures, where X is the result.

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.)

{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.)

Destroy target permanent. Its controller creates a 3/3 green Beast creature token.

Attacking creatures you control have double strike.

Flying

{T}: Add one mana of any color.

This spell costs {1} less to cast for each creature on the battlefield.

Blasphemous Act deals 13 damage to each creature.

{T}: Add {C}.

{3}{G}, {T}, Sacrifice Blighted Woodland: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

Flying, trample

Whenever Bloodthirster deals combat damage to a player, untap it. After this combat phase, there is an additional combat phase.

Bloodthirster can't attack a player it has already attacked this turn.

Destroy target artifact, enchantment, or creature with flying.

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

Cinder Glade enters the battlefield tapped unless you control two or more basic lands.

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

Enchant creature

When Colossification enters the battlefield, tap enchanted creature.

Enchanted creature gets +20/+20.

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

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.

Vigilance

{5}{G}, {T}: Draw a card. This ability costs {1} less to activate for each +1/+1 counter on creatures you control.

Delayed Blast Fireball deals 2 damage to each opponent and each creature they control. If this spell was cast from exile, it deals 5 damage to each opponent and each creature they control instead.

Foretell {4}{R}{R} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

{T}: Add {G}.

Put a -1/-1 counter on Devoted Druid: Untap Devoted Druid.

Flying

Whenever Dragon Mage deals combat damage to a player, each player discards their hand, then draws seven cards.

Flying

Whenever Drakuseth, Maw of Flames attacks, it deals 4 damage to any target and 3 damage to each of up to two other targets.

Backup 3 (When this creature enters the battlefield, put three +1/+1 counters on target creature. If that's another creature, it gains the following ability until end of turn.)

Whenever this creature attacks, look at the top X cards of your library, where X is its power. You may put a permanent card with mana value X or less from among them onto the battlefield. Put the rest on the bottom of your library in a random order.

Exile the top five cards of your library. You may play cards exiled this way until the end of your next turn.

You may play an additional land this turn.

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.

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

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

{T}, Sacrifice Fabled Passage: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Then if you control four or more lands, untap that land.

Fertilid enters the battlefield with two +1/+1 counters on it.

{1}{G}, Remove a +1/+1 counter from Fertilid: Target player searches their library for a basic land card, puts it onto the battlefield tapped, then shuffles.

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

Put a +1/+1 counter on target creature you control. It gains reach, trample, hexproof, and indestructible until end of turn. (It can't be the target of spells or abilities your opponents control. Damage and effects that say "destroy" don't destroy it.)

As Game Trail enters the battlefield, you may reveal a Mountain or Forest card from your hand. If you don't, Game Trail enters the battlefield tapped.

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

+1: Up to one target creature gets +3/+3 and gains trample until end of turn.

-2: Create a 3/3 green Beast creature token. Then if an opponent controls more creatures than you, put a loyalty counter on Garruk, Unleashed.

-7: You get an emblem with "At the beginning of your end step, you may search your library for a creature card, put it onto the battlefield, then shuffle."

At the beginning of combat on your turn, choose one --

• Creatures you control get +1/+1 and gain trample until end of turn.

• Target land gains "{T}: Add {G}{G}{G}" until end of turn.

• Draw a card if you control a creature with power 3 or greater.

• You gain 3 life.

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

Gruul Turf enters the battlefield tapped.

When Gruul Turf enters the battlefield, return a land you control to its owner's hand.

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

{T}: Add {C}.

{1}, {T}: Add one mana of any color. If that mana is spent on a multicolored creature spell, that creature enters the battlefield with an additional +1/+1 counter on it.

Evolve (Whenever a creature enters the battlefield under your control, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)

{T}: Add {G} for each +1/+1 counter on Gyre Sage.

First strike, reach

At the beginning of combat on your turn, put X +1/+1 counters on another target creature you control, where X is Halana and Alena's power. That creature gains haste until end of turn.

Vigilance

Whenever another Human enters the battlefield under your control, put a +1/+1 counter on Heronblade Elite.

{T}: Add X mana of any one color, where X is Heronblade Elite's power.

Choose one --

• Destroy target artifact.

• Destroy target enchantment.

• Destroy target artifact and target enchantment.

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

{T}: Add one mana of any color. If you control a creature with power 4 or greater, add two mana of any one color instead.

{T}: Add one mana of any type that a land you control could produce. If Incubation Druid has a +1/+1 counter on it, add three mana of that type instead.

{3}{G}{G}: Adapt 3. (If this creature has no +1/+1 counters on it, put three +1/+1 counters on it.)

Choose one. If you control a commander as you cast this spell, you may choose both instead.

• Add {R} for each card in target opponent's hand.

• Exile the top three cards of your library. You may play them this turn.

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

{T}: Add X mana of any one color, where X is Kami of Whispered Hopes's power.

Whenever you attack, if it's the first combat phase of the turn, untap all attacking creatures. They gain first strike until end of turn. After this phase, there is an additional combat phase.

Choose a Background (You can have a Background as a second commander.)

{T}: Add {C}.

{4}, {T}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

{T}: Add {C}.

{T}: Add {R} or {G}. Karplusan Forest deals 1 damage to you.

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.

Whenever Krenko, Tin Street Kingpin attacks, put a +1/+1 counter on it, then create a number of 1/1 red Goblin creature tokens equal to Krenko's power.

Haste

Whenever Laelia, the Blade Reforged attacks, exile the top card of your library. You may play that card this turn.

Whenever one or more cards are put into exile from your library and/or your graveyard, put a +1/+1 counter on Laelia.

{T}: Add one mana of any color.

{T}: Target land you control becomes a 3/3 Elemental creature with haste until end of turn. It's still a land. Activate only as a sorcery.

Target creature you control deals damage equal to its power to target creature or planeswalker you don't control.

Mizzium Mortars deals 4 damage to target creature you don't control.

Overload {3}{R}{R}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

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

You draw cards equal to the sacrificed creature's power, then you gain life equal to its toughness.

Each creature you control gets +1/+0 for each time it has attacked this turn.

Landfall -- Whenever a land enters the battlefield under your control, if it's your main phase, there's an additional combat phase after this phase. At the beginning of that combat, untap all creatures you control.

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

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}.)

Myriad Landscape enters the battlefield tapped.

{T}: Add {C}.

{2}, {T}, Sacrifice Myriad Landscape: 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}: Add one mana of any color in your commander's color identity. If you spend this mana to cast your commander, it enters the battlefield with a number of additional +1/+1 counters on it equal to the number of times it's been cast from the command zone this game.

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 Ordeal of Nylea.

When you sacrifice Ordeal of Nylea, search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

Flying

{T}: Add one mana of any color.

{T}: Add {G}.

As long as Orochi Merge-Keeper is modified, it has "{T}: Add {G}{G}." (Equipment, Auras you control, and counters are modifications.)

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

Path of Ancestry enters the battlefield tapped.

{T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Trample

Whenever one or more creatures you control with trample deal combat damage to a player, create an X/X green Dinosaur Beast creature token with trample, where X is the amount of damage those creatures dealt to that player.

Raging Ravine enters the battlefield tapped.

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

{2}{R}{G}: Until end of turn, Raging Ravine becomes a 3/3 red and green Elemental creature with "Whenever this creature attacks, put a +1/+1 counter on it." It's still a land.

(Gain the next level as a sorcery to add its ability.)

When Ranger Class enters the battlefield, create a 2/2 green Wolf creature token.

{1}{G}: Level 2

Whenever you attack, put a +1/+1 counter on target attacking creature.

{3}{G}: Level 3

You may look at the top card of your library any time.

You may cast creature spells from the top of your library.

Untap all creatures that attacked this turn. After this main phase, there is an additional combat phase followed by an additional main phase.

Choose one --

• Draw cards equal to the greatest power among non-Human creatures you control.

• Non-Human creatures you control get +3/+3 until end of turn.

Draw cards equal to the greatest power among creatures you control.

You may cast a spell with mana value 5 or less from your hand without paying its mana cost.

Rockfall Vale enters the battlefield tapped unless you control two or more other lands.

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

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

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

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.

Search your library for three creature cards and reveal them. If you reveal three cards with different names, choose one of them at random and put that card into your hand. Shuffle the rest into your library.

Slagwoods Bridge enters the battlefield tapped.

Indestructible

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

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.)

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

Draw cards equal to the power of target creature you control.

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.)

Spinerock Knoll enters the battlefield tapped.

{T}: Add {R}.

{R}, {T}: You may play the exiled card without paying its mana cost if an opponent was dealt 7 or more damage this turn.

{T}: Add {G}.

Tangled Vale enters the battlefield tapped.

{T}: Add {G}.

Temple of Abandon enters the battlefield tapped.

When Temple of Abandon enters the battlefield, scry 1.

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

{T}: Add {C}{C}. Activate only if you control five or more lands.

At the beginning of your upkeep, draw a card if you control the creature with the greatest power or tied for the greatest power.

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

Ulamog's Crusher attacks each combat if able.

At the beginning of each combat, double the power and toughness of each creature you control until end of turn.

Destroy target artifact you don't control.

Overload {4}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

{T}: Add {G}.

Ferocious -- {T}: Add {G}{G}. Activate only if you control a creature with power 4 or greater.

Trample

When Woodfall Primus enters the battlefield, destroy target noncreature permanent.

Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

After the first postcombat main phase this turn, there's an additional combat phase followed by an additional main phase. At the beginning of that combat, untap all creatures that attacked this turn.

Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)