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.
10 /
10
{2}
Arcane Signet
Artifact
{T}: Add one mana of any color in your commander's color identity.
{3}{G}{G}
Asceticism
Enchantment
Creatures you control have hexproof. (They can't be the targets of spells or abilities your opponents control.)
{1}{G}: Regenerate target creature.
{1}{G}{W}
Atzocan Seer
Creature - Human Druid
{T}: Add one mana of any color.
Sacrifice Atzocan Seer: Return target Dinosaur card from your graveyard to your hand.
2 /
3
{2}{G}
Beast Within
Instant
Destroy target permanent. Its controller creates a 3/3 green Beast creature token.
{3}
Boros Locket
Artifact
{T}: Add {R} or {W}.
{R/W}{R/W}{R/W}{R/W}, {T}, Sacrifice Boros Locket: Draw two cards.
{4}{G}{G}
Carnage Tyrant
Creature - Dinosaur
This spell can't be countered.
Trample, hexproof
7 /
6
{4}{R}
Charging Monstrosaur
Creature - Dinosaur
Trample, haste
5 /
5
{3}{R}{R}
Charging Tuskodon
Creature - Dinosaur
Trample
If Charging Tuskodon would deal combat damage to a player, it deals double that damage to that player instead.
4 /
4
{4}{R}
Cleaver Riot
Sorcery
Creatures you control gain double strike until end of turn. (They deal both first-strike and regular combat damage.)
{G}
Commune with Dinosaurs
Sorcery
Look at the top five cards of your library. You may reveal a Dinosaur or land card from among them and put it into your hand. Put the rest on the bottom of your library in any order.
{2}{G}
Cultivate
Sorcery
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.
{3}
Darksteel Ingot
Artifact
Indestructible
{T}: Add one mana of any color.
{2}{R}
Dinosaur Stampede
Instant
Attacking creatures get +2/+0 until end of turn. Dinosaurs you control gain trample until end of turn.
{1}{R}{G}
Domri, Anarch of Bolas
Legendary Planeswalker - Domri
Creatures you control get +1/+0.
+1: Add {R} or {G}. Creature spells you cast this turn can't be countered.
-2: Target creature you control fights target creature you don't control.
L:
3
{1}{G}
Drover of the Mighty
Creature - Human Druid
Drover of the Mighty gets +2/+2 as long as you control a Dinosaur.
{T}: Add one mana of any color.
1 /
1
{4}{R}{R}
Etali, Primal Storm
Legendary Creature - Elder Dinosaur
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.
6 /
6
{3}{G}
Explosive Vegetation
Sorcery
Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.
{3}{R}
Forerunner of the Empire
Creature - Human Soldier
When Forerunner of the Empire enters the battlefield, you may search your library for a Dinosaur card, reveal it, then shuffle and put that card on top.
Whenever a Dinosaur enters the battlefield under your control, you may have Forerunner of the Empire deal 1 damage to each creature.
1 /
3
{2}{W}
Generous Gift
Instant
Destroy target permanent. Its controller creates a 3/3 green Elephant creature token.
{10}{G}{G}
Ghalta, Primal Hunger
Legendary Creature - Elder Dinosaur
This spell costs {X} less to cast, where X is the total power of creatures you control.
Trample
12 /
12
{5}{R}{G}{W}
Gishath, Sun's Avatar
Legendary Creature - Dinosaur Avatar
Vigilance, trample, haste
Whenever Gishath, Sun's Avatar deals combat damage to a player, reveal that many cards from the top of your library. Put any number of Dinosaur creature cards from among them onto the battlefield and the rest on the bottom of your library in a random order.
7 /
6
{5}{W}{W}
Goring Ceratops
Creature - Dinosaur
Double strike
Whenever Goring Ceratops attacks, other creatures you control gain double strike until end of turn.
3 /
3
{3}
Gruul Locket
Artifact
{T}: Add {R} or {G}.
{R/G}{R/G}{R/G}{R/G}, {T}, Sacrifice Gruul Locket: Draw two cards.
{4}{R}{W}
Huatli, Dinosaur Knight
Legendary Planeswalker - Huatli
+2: Put two +1/+1 counters on up to one target Dinosaur you control.
-3: Target Dinosaur you control deals damage equal to its power to target creature you don't control.
-7: Dinosaurs you control get +4/+4 until end of turn.
L:
4
{W}
Hyena Umbra
Enchantment - Aura
Enchant creature
Enchanted creature gets +1/+1 and has first strike.
Totem armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)
{W}
Kinjalli's Caller
Creature - Human Cleric
Dinosaur spells you cast cost {1} less to cast.
0 /
3
{3}{G}
Knight of the Stampede
Creature - Human Knight
Dinosaur spells you cast cost {2} less to cast.
2 /
4
{2}{G}
Kodama's Reach
Sorcery - Arcane
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.
{2}
Lightning Greaves
Artifact - Equipment
Equipped creature has haste and shroud. (It can't be the target of spells or abilities.)
Equip {0}
{3}{W}
Majestic Heliopterus
Creature - Dinosaur
Flying
Whenever Majestic Heliopterus attacks, another target Dinosaur you control gains flying until end of turn.
2 /
2
{1}{R}
Marauding Raptor
Creature - Dinosaur
Creature spells you cast cost {1} less to cast.
Whenever another creature enters the battlefield under your control, Marauding Raptor deals 2 damage to it. If a Dinosaur is dealt damage this way, Marauding Raptor gets +2/+0 until end of turn.
2 /
3
{1}{R}
Otepec Huntmaster
Creature - Human Shaman
Dinosaur spells you cast cost {1} less to cast.
{T}: Target Dinosaur gains haste until end of turn.
1 /
2
{3}{G}{G}
Overwhelming Stampede
Sorcery
Until end of turn, creatures you control gain trample and get +X/+X, where X is the greatest power among creatures you control.
{2}
Prowler's Helm
Artifact - Equipment
Equipped creature can't be blocked except by Walls.
Equip {2}
{2}{R}{R}{G}
Quartzwood Crasher
Creature - Dinosaur Beast
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.
6 /
6
{2}{R}{G}
Raging Regisaur
Creature - Dinosaur
Whenever Raging Regisaur attacks, it deals 1 damage to any target.
4 /
4
{3}{R}{G}
Raging Swordtooth
Creature - Dinosaur
Trample
When Raging Swordtooth enters the battlefield, it deals 1 damage to each other creature.
5 /
5
{5}{G}{G}
Rampaging Brontodon
Creature - Dinosaur
Trample
Whenever Rampaging Brontodon attacks, it gets +1/+1 until end of turn for each land you control.
7 /
7
{2}{G}
Ranging Raptors
Creature - Dinosaur
Enrage -- Whenever Ranging Raptors is dealt damage, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
2 /
3
{2}{G}{G}
Ripjaw Raptor
Creature - Dinosaur
Enrage -- Whenever Ripjaw Raptor is dealt damage, draw a card.
4 /
5
{2}{G}
Savage Stomp
Sorcery
This spell costs {2} less to cast if it targets a Dinosaur you control.
Put a +1/+1 counter on target creature you control. Then that creature fights target creature you don't control. (Each deals damage equal to its power to the other.)
{3}
Selesnya Locket
Artifact
{T}: Add {G} or {W}.
{G/W}{G/W}{G/W}{G/W}, {T}, Sacrifice Selesnya Locket: Draw two cards.
{5}{R}{R}
Silverclad Ferocidons
Creature - Dinosaur
Enrage -- Whenever Silverclad Ferocidons is dealt damage, each opponent sacrifices a permanent.
8 /
5
{4}{G}
Snapping Sailback
Creature - Dinosaur
Flash
Enrage -- Whenever Snapping Sailback is dealt damage, put a +1/+1 counter on it. (It must survive the damage to get the counter.)
4 /
4
{1}
Sol Ring
Artifact
{T}: Add {C}{C}.
{R}{W}
Squee's Embrace
Enchantment - Aura
Enchant creature
Enchanted creature gets +2/+2.
When enchanted creature dies, return that card to its owner's hand.
{3}{R}{W}
Sun-Blessed Mount
Creature - Dinosaur
When Sun-Blessed Mount enters the battlefield, you may search your library and/or graveyard for a card named Huatli, Dinosaur Knight, reveal it, then put it into your hand. If you searched your library this way, shuffle.
4 /
4
{2}
Swiftfoot Boots
Artifact - Equipment
Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.)
Equip {1}
{G}
Tamiyo's Safekeeping
Instant
Target permanent you control gains hexproof and indestructible until end of turn. You gain 2 life. (A permanent with hexproof and indestructible can't be the target of spells or abilities your opponents control. Damage and effects that say "destroy" don't destroy it.)
{4}{W}
Temple Altisaur
Creature - Dinosaur
If a source would deal damage to another Dinosaur you control, prevent all but 1 of that damage.
3 /
4
{2}{W}
Timely Ward
Enchantment - Aura
You may cast Timely Ward as though it had flash if it targets a commander.
Enchant creature
Enchanted creature has indestructible.
{1}{G}{G}
Topiary Stomper
Creature - Plant Dinosaur
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.
4 /
4
{2}
Trailblazer's Boots
Artifact - Equipment
Equipped creature has nonbasic landwalk. (It can't be blocked as long as defending player controls a nonbasic land.)
Equip {2}
{3}{W}{W}
Trapjaw Tyrant
Creature - Dinosaur
Enrage -- Whenever Trapjaw Tyrant is dealt damage, exile target creature an opponent controls until Trapjaw Tyrant leaves the battlefield.
5 /
5
{2}{W}
Unbreakable Formation
Instant
Creatures you control gain indestructible until end of turn.
Addendum -- If you cast this spell during your main phase, put a +1/+1 counter on each of those creatures and they gain vigilance until end of turn.
{2}{W}
Unquestioned Authority
Enchantment - Aura
Enchant creature
When Unquestioned Authority enters the battlefield, draw a card.
Enchanted creature has protection from creatures.
{3}
Urza's Incubator
Artifact
As Urza's Incubator enters the battlefield, choose a creature type.
Creature spells of the chosen type cost {2} less to cast.
{3}
Whispersilk Cloak
Artifact - Equipment
Equipped creature can't be blocked and has shroud. (It can't be the target of spells or abilities.)
Equip {2}
{G}
Withstand Death
Instant
Target creature gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it. If its toughness is 0 or less, it's still put into its owner's graveyard.)