When Apex Altisaur enters the battlefield, it fights up to one target creature you don't control. Enrage — Whenever Apex Altisaur is dealt damage, it fights up to one target creature you don't control.

Choose two — • Destroy all artifacts. • Destroy all enchantments. • Destroy all creatures with mana value 3 or less. • Destroy all creatures with mana value 4 or greater.

Choose one — • Boros Charm deals 4 damage to target player or planeswalker. • Permanents you control gain indestructible until end of turn. • Target creature gains double strike until end of turn.

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

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.)

This spell costs {X} less to cast, where X is the greatest power among creatures you control. Whenever one or more nontoken creatures you control die, create a green Fungus Dinosaur creature token with base power and toughness each equal to the total power of those creatures. {2}, {T}: Double target creature's power until end of turn.

This spell can't be countered. Trample, hexproof

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.

Beasts can't block.

Trample Whenever you attack, choose one — • Create a tapped and attacking X/X green Dinosaur creature token with trample, where X is the greatest power among other attacking creatures. • Create X 1/1 white Vampire creature tokens with lifelink, where X is the number of other attacking creatures.

This spell costs {X} less to cast, where X is the total power of creatures you control. Trample

Trample When Ghalta, Stampede Tyrant enters the battlefield, put any number of creature cards from your hand onto the battlefield.

Double strike Whenever Goring Ceratops attacks, other creatures you control gain double strike until end of turn.

Ward {2} At the beginning of your precombat main phase, add {G}{G}.

Other Dinosaurs you control have haste. When Palani's Hatcher enters the battlefield, create two 0/1 green Dinosaur Egg creature tokens. At the beginning of combat on your turn, if you control one or more Eggs, sacrifice an Egg, then create a 3/3 green Dinosaur creature token.

Whenever Pantlaza, Sun-Favored or another Dinosaur enters the battlefield under your control, you may discover X, where X is that creature's toughness. Do this only once each turn. (Exile cards from the top of your library until you exile a nonland card with that mana value or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

Trample When Regal Behemoth enters the battlefield, you become the monarch. Whenever you tap a land for mana while you're the monarch, add an additional one mana of any color.

Other Dinosaurs you control have haste. When Regisaur Alpha enters the battlefield, create a 3/3 green Dinosaur creature token with trample.

Enrage — Whenever Ripjaw Raptor is dealt damage, draw a card.

Whenever Sunfrill Imitator attacks, you may have it become a copy of another target Dinosaur you control, except its name is Sunfrill Imitator and it has this ability.

If a source would deal damage to another Dinosaur you control, prevent all but 1 of that damage.

When Tranquil Frillback enters the battlefield, you may pay {G} up to three times. When you pay this cost one or more times, choose up to that many — • Destroy target artifact or enchantment. • Exile target player's graveyard. • You gain 4 life.

Trample When Trumpeting Carnosaur enters the battlefield, discover 5. {2}{R}, Discard Trumpeting Carnosaur: It deals 3 damage to target creature or planeswalker.

Vigilance, reach, trample When Zacama, Primal Calamity enters the battlefield, if you cast it, untap all lands you control. {2}{R}: Zacama deals 3 damage to target creature. {2}{G}: Destroy target artifact or enchantment. {2}{W}: You gain 3 life.

Flying, first strike At the beginning of your upkeep, exile the top two cards of your library. You may play them this turn. If you exiled a land card this way, create a 3/1 red Dinosaur creature token. If you exiled a nonland card this way, create a Treasure token.

Trample When Earthshaker Dreadmaw enters the battlefield, draw a card for each other Dinosaur you control.

Whenever a creature with power 3 or greater enters the battlefield under your control, draw a card.

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.

Draw three cards.

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.

{T}, Pay 1 life, Sacrifice Arid Mesa: Search your library for a Mountain or Plains card, put it onto the battlefield, then shuffle.

{T}: Add {C}. {T}: Add {R} or {W}. Battlefield Forge deals 1 damage to you.

{T}: Add {C}. {T}: Add {G} or {W}. Brushland deals 1 damage to you.

({T}: Add {G} or {W}.) Canopy Vista enters the battlefield tapped unless you control two or more basic lands.

As Cavern of Souls enters the battlefield, choose a creature type. {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.

({T}: Add {R} or {G}.) Cinder Glade enters the battlefield tapped unless you control two or more basic lands.

Clifftop Retreat enters the battlefield 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 {G}.)

({T}: Add {R}, {G}, or {W}.) Jetmir's Garden enters the battlefield tapped. Cycling {3} ({3}, Discard this card: Draw a card.)

Jungle Shrine enters the battlefield tapped. {T}: Add {R}, {G}, or {W}.

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

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

({T}: Add {R}.)

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.)

({T}: Add {W}.)

({T}: Add {R} or {W}.) As Sacred Foundry enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Spectator Seating enters the battlefield tapped unless you have two or more opponents. {T}: Add {R} or {W}.

({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.

({T}: Add {G} or {W}.) As Temple Garden enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Temple of Plenty enters the battlefield tapped. When Temple of Plenty enters the battlefield, scry 1. {T}: Add {G} or {W}.

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.

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

As an additional cost to cast this spell, sacrifice a land. Search your library for up to two basic land cards, put them onto the battlefield, then shuffle.

{T}: Add one mana of any color. {2}: Exile target card from a graveyard. You may cast Dinosaur creature spells from among cards you own exiled with Intrepid Paleontologist. If you cast a spell this way, that creature enters the battlefield with a finality counter on it. (If a creature with a finality counter on it would die, exile it instead.)

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.

Creatures you control get +1/+1. Whenever you tap a land for mana, add one mana of any type that land produced.

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

Imprint — When Semblance Anvil enters the battlefield, you may exile a nonland card from your hand. Spells you cast that share a card type with the exiled card cost {2} less to cast.

Search your library for up to two Forest cards, put them onto the battlefield, then shuffle.

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

Vigilance When Topiary Stomper enters the battlefield, search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Topiary Stomper can't attack or block unless you control seven or more lands.

As Urza's Incubator enters the battlefield, choose a creature type. Creature spells of the chosen type cost {2} less to cast.

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

When Bronzebeak Foragers enters the battlefield, for each opponent, exile up to one target nonland permanent that player controls until Bronzebeak Foragers leaves the battlefield. {X}{W}: Put target card with mana value X exiled with Bronzebeak Foragers into its owner's graveyard. You gain X life.

Destroy target creature, enchantment, or planeswalker. Its controller creates two Map tokens. (They're artifacts with "{1}, {T}, Sacrifice this artifact: Target creature you control explores. Activate only as a sorcery.")

Haste When Itzquinth, Firstborn of Gishath enters the battlefield, you may pay {2}. When you do, target Dinosaur you control deals damage equal to its power to another target creature.

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

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

Myriad (Whenever this creature attacks, for each opponent other than defending player, you may create a token that's a copy of this creature that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.) Whenever Scion of Calamity deals combat damage to a player, destroy target artifact or enchantment that player controls.

Exile target creature. Its controller gains life equal to its power.

Creatures you control gain indestructible. Take an extra turn after this one. At the beginning of that turn's end step, you lose the game.

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

Reveal the top X cards of your library, where X is the greatest mana value of a commander you own on the battlefield or in the command zone. You may put any number of permanent cards from among them onto the battlefield. Put the rest on the bottom of your library in a random order.

When Annie Joins Up enters the battlefield, it deals 5 damage to target creature or planeswalker an opponent controls. If a triggered ability of a legendary creature you control triggers, that ability triggers an additional time.