Reach

When Acid Web Spider enters the battlefield, you may destroy target Equipment.

Flying

Landfall -- Whenever a land enters the battlefield under your control, Akoum Hellkite deals 1 damage to any target. If that land is a Mountain, Akoum Hellkite deals 2 damage instead.

Flying

When Alabaster Dragon dies, shuffle it into its owner's library.

Flying

Whenever one or more creatures you control attack, you gain 1 life for each attacking creature.

Flying

{R}: Ancient Hellkite deals 1 damage to target creature defending player controls. Activate only if Ancient Hellkite is attacking.

Flying

When Arashin Sovereign dies, you may put it on the top or bottom of its owner's library.

Trample

When Armada Wurm enters the battlefield, create a 5/5 green Wurm creature token with trample.

Flying, trample

Whenever a Dragon you control attacks, it gains double strike until end of turn.

Flying

Whenever Beacon Hawk deals combat damage to a player, you may untap target creature.

{W}: Beacon Hawk gets +0/+1 until end of turn.

Enrage -- Whenever Bellowing Aegisaur is dealt damage, put a +1/+1 counter on each other creature you control.

Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)

Other green creatures you control have intimidate.

Flash

Flying

When Bogardan Hellkite enters the battlefield, it deals 5 damage divided as you choose among any number of targets.

When Burning Sun's Avatar enters the battlefield, it deals 3 damage to target opponent or planeswalker and 3 damage to up to one target creature.

Enrage -- Whenever Cacophodon is dealt damage, untap target permanent.

Flying

Whenever Caustic Wasps deals combat damage to a player, you may destroy target artifact that player controls.

Flying

When Cloudchaser Eagle enters the battlefield, destroy target enchantment.

Flying

When Cloudchaser Kestrel enters the battlefield, destroy target enchantment.

{W}: Target permanent becomes white until end of turn.

Flying

Whenever Dauntless Aven attacks, untap target creature you control.

Shroud (This creature can't be the target of spells or abilities.)

Flying

When Demanding Dragon enters the battlefield, it deals 5 damage to target opponent unless that player sacrifices a creature.

Flying

When Destructor Dragon dies, destroy target noncreature permanent.

Whenever an opponent plays a land, put a +1/+1 counter on Dirtcowl Wurm.

Flying

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

Reach

Whenever an opponent casts a spell, create a 1/1 green Insect creature token.

Flying

Whenever Dream Pillager deals combat damage to a player, exile that many cards from the top of your library. Until end of turn, you may cast spells from among those exiled cards.

Flying

Whenever a Dragon you control attacks, bolster 2. (Choose a creature with the least toughness among creatures you control and put two +1/+1 counters on it.)

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

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 of your library in a random order.)

Flying

When Expedition Raptor enters the battlefield, support 2. (Put a +1/+1 counter on each of up to two other target creatures.)

Flying

Whenever Flameblast Dragon attacks, you may pay {X}{R}. If you do, Flameblast Dragon deals X damage to any target.

Flying

When Foe-Razer Regent enters the battlefield, you may have it fight target creature you don't control.

Whenever a creature you control fights, put two +1/+1 counters on it at the beginning of the next end step.

Trample

Whenever Giant Adephage deals combat damage to a player, create a token that's a copy of Giant Adephage.

{1}{R}{G}, {T}: Exile Giant Trap Door Spider and target creature without flying that's attacking you.

Reach (This creature can block creatures with flying.)

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

Double strike

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

Trample

Morbid -- Gravetiller Wurm enters the battlefield with four +1/+1 counters on it if a creature died this turn.

Flying

{2}{R}: Harbinger of the Hunt deals 1 damage to each creature without flying.

{2}{G}: Harbinger of the Hunt deals 1 damage to each other creature with flying.

Flying, haste

Whenever Hellkite Charger attacks, you may pay {5}{R}{R}. If you do, untap all attacking creatures and after this phase, there is an additional combat phase.

Flying

{3}{R}: Destroy target artifact. Hoard-Smelter Dragon gets +X/+0 until end of turn, where X is that artifact's mana value.

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

Flying

When Jugan, the Rising Star dies, you may distribute five +1/+1 counters among any number of target creatures.

Reach (This creature can block creatures with flying.)

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Haste

Whenever Lava Runner becomes the target of a spell or ability, that spell or ability's controller sacrifices a land.

Flying

When Magma Phoenix dies, it deals 3 damage to each creature and each player.

{3}{R}{R}: Return Magma Phoenix from your graveyard to your hand.

Trample

When Moldgraf Monstrosity dies, exile it, then return two creature cards at random from your graveyard to the battlefield.

Attacking creatures you control have deathtouch.

Whenever a creature you control deals combat damage to a player, draw a card.

Whenever Ohran Viper deals combat damage to a creature, destroy that creature at end of combat.

Whenever Ohran Viper deals combat damage to a player, you may draw a card.

Reach (This creature can block creatures with flying.)

Forestcycling {2}, plainscycling {2} ({2}, Discard this card: Search your library for a Forest or Plains card, reveal it, put it into your hand, then shuffle.)

Flying

{1}{W}: Pearl Dragon gets +0/+1 until end of turn.

Trample

When Pelakka Wurm enters the battlefield, you gain 7 life.

When Pelakka Wurm dies, draw a card.

Flying, haste

Devour 2 (As this enters the battlefield, you may sacrifice any number of creatures. This creature enters the battlefield with twice that many +1/+1 counters on it.)

Flying

Devour 2 (As this enters the battlefield, you may sacrifice any number of creatures. This creature enters the battlefield with twice that many +1/+1 counters on it.)

Whenever Preyseizer Dragon attacks, it deals damage to any target equal to the number of +1/+1 counters on Preyseizer Dragon.

Whenever Raging Regisaur attacks, it deals 1 damage to any target.

Trample

When Raging Swordtooth enters the battlefield, it deals 1 damage to each other creature.

Trample

Whenever Rampaging Brontodon attacks, it gets +1/+1 until end of turn for each land you control.

Flying

When Rapacious Dragon enters the battlefield, create two Treasure tokens. (They're artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.")

Riot (This creature enters the battlefield with your choice of a +1/+1 counter or haste.)

When Ravager Wurm enters the battlefield, choose up to one --

• Ravager Wurm fights target creature you don't control.

• Destroy target land with an activated ability that isn't a mana ability.

Other Dinosaurs you control have haste.

When Regisaur Alpha enters the battlefield, create a 3/3 green Dinosaur creature token with trample.

Whenever Roaring Slagwurm attacks, tap all artifacts.

Flying

Whenever Roc Charger attacks, target attacking creature without flying gains flying until end of turn.

Flying, haste

Whenever Rust Scarab becomes blocked, you may destroy target artifact or enchantment defending player controls.

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.

Flying

Whenever Scourge of Valkas or another Dragon enters the battlefield under your control, it deals X damage to any target, where X is the number of Dragons you control.

{R}: Scourge of Valkas gets +1/+0 until end of turn.

Flying

Dethrone (Whenever this creature attacks the player with the most life or tied for most life, put a +1/+1 counter on it.)

Whenever Scourge of the Throne attacks for the first time each turn, if it's attacking the player with the most life or tied for most life, untap all attacking creatures. After this phase, there is an additional combat phase.

Flying

{2}{R}: Creatures you control get +1/+0 until end of turn.

At the beginning of your upkeep, if you control five or more lands, put four +1/+1 counters on Scute Mob.

Flying (This creature can't be blocked except by creatures with flying or reach.)

Sacrifice Shard Phoenix: It deals 2 damage to each creature without flying.

{R}{R}{R}: Return Shard Phoenix from your graveyard to your hand. Activate only during your upkeep.

Flying (This creature can't be blocked except by creatures with flying or reach.)

{R}: Shivan Dragon gets +1/+0 until end of turn.

Flying (This creature can't be blocked except by creatures with flying or reach.)

{1}{R}: Shivan Hellkite deals 1 damage to any target.

Flying

Whenever Shockmaw Dragon deals combat damage to a player, it deals 1 damage to each creature that player controls.

Trample

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

Reach

{X}{G}{G}: Silklash Spider deals X damage to each creature with flying.

Enrage -- Whenever Silverclad Ferocidons is dealt damage, each opponent sacrifices a permanent.

Flying, haste

When you cast your commander, return Skyfire Phoenix from your graveyard to the battlefield.

Flying

{R}: Skyship Stalker gets +1/+0 until end of turn.

{R}: Skyship Stalker gains first strike until end of turn.

{R}: Skyship Stalker gains haste until end of turn.

Reach (This creature can block creatures with flying.)

Morbid -- Somberwald Spider enters the battlefield with two +1/+1 counters on it if a creature died this turn.

Flying

When Spawn of Thraxes enters the battlefield, it deals damage to any target equal to the number of Mountains you control.

Stag Beetle enters the battlefield with X +1/+1 counters on it, where X is the number of other creatures on the battlefield.

Flying

{2}: Steel Hellkite gets +1/+0 until end of turn.

{X}: Destroy each nonland permanent with mana value X whose controller was dealt combat damage by Steel Hellkite this turn. Activate only once each turn.

Reach

When Stingerfling Spider enters the battlefield, you may destroy target creature with flying.

Whenever Stone-Tongue Basilisk deals combat damage to a creature, destroy that creature at end of combat.

Threshold -- As long as seven or more cards are in your graveyard, all creatures able to block Stone-Tongue Basilisk do so.

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

Flying, double strike

When Terror of Mount Velus enters the battlefield, creatures you control gain double strike until end of turn.

Red spells and white spells you cast cost {1} less to cast.

{1}, Sacrifice Thrashing Brontodon: Destroy target artifact or enchantment.

Flying

Menace (This creature can't be blocked except by two or more creatures.)

Two-Headed Dragon can block an additional creature each combat.

{1}{R}: Two-Headed Dragon gets +2/+0 until end of turn.

Flying, haste

Lieutenant -- As long as you control your commander, Tyrant's Familiar gets +2/+2 and has "Whenever Tyrant's Familiar attacks, it deals 7 damage to target creature defending player controls."

Flying

Whenever a Dragon you control attacks, create a 6/6 red Dragon creature token with flying.

Whenever Verdant Sun's Avatar or another creature enters the battlefield under your control, you gain life equal to that creature's toughness.

Flying

As long as Wardscale Dragon is attacking, defending player can't cast spells.

Flying

All creatures attack each combat if able.

{1}{R}: Attacking creatures get +1/+0 until end of turn.

Reach (This creature can block creatures with flying.)

Watcher in the Web can block an additional seven creatures each combat.

When Whiptail Moloch enters the battlefield, it deals 3 damage to target creature you control.

Flying

Attacking creatures you control have lifelink.

Flying

Whenever Xantid Swarm attacks, defending player can't cast spells this turn.

Flying

When Yosei, the Morning Star dies, target player skips their next untap step. Tap up to five target permanents that player controls.

Flying, double strike, vigilance, trample, indestructible