mtg.wtf

Flying
When Hoarding Dragon enters the battlefield, you may search your library for an artifact card, exile it, then shuffle.
When Hoarding Dragon dies, you may put the exiled card into its owner's hand.

Trample
Embalm {3}{G}

Hooded Hydra enters the battlefield with X +1/+1 counters on it.
When Hooded Hydra dies, create a 1/1 green Snake creature token for each +1/+1 counter on it.
Morph {3}{G}{G}
As Hooded Hydra is turned face up, put five +1/+1 counters on it.

Vigilance
When Huatli's Raptor enters the battlefield, proliferate.

Vigilance

[+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.

Hungering Hydra enters the battlefield with X +1/+1 counters on it.
Hungering Hydra can't be blocked by more than one creature.
Whenever Hungering Hydra is dealt damage, put that many +1/+1 counters on it.

{X}{X}{G}: Monstrosity X.
When Hydra Broodmaster becomes monstrous, create X X/X green Hydra creature tokens.

Enchant creature
When Hydra's Growth enters the battlefield, put a +1/+1 counter on enchanted creature.
At the beginning of your upkeep, double the number of +1/+1 counters on enchanted creature.

Flying, haste
You may cast sorcery spells as though they had flash.

Flying
When Icefall Regent enters the battlefield, tap target creature an opponent controls. That creature doesn't untap during its controller's untap step for as long as you control Icefall Regent.
Spells your opponents cast that target Icefall Regent cost {2} more to cast.

Flying
When Imperial Aerosaur enters the battlefield, another target creature you control gets +1/+1 and gains flying until end of turn.

Enrage — Whenever Imperial Ceratops is dealt damage, you gain 2 life.

Spend only mana produced by basic lands to cast this spell.

Convoke
Indestructible

Vigilance
Cycling {1}

If a creature would deal combat damage to Ironscale Hydra, prevent that damage and put a +1/+1 counter on Ironscale Hydra.

Flying
Whenever an opponent casts a spell, put a +1/+1 counter on Ishai, Ojutai Dragonspeaker.
Partner

{T}: Add {G}. When you spend this mana to cast a Dragon creature spell, it enters the battlefield with an additional +1/+1 counter on it and gains hexproof until your next turn.

Flying
Confounding Clouds — When Juvenile Mist Dragon enters the battlefield, for each opponent, tap up to one target creature that player controls. Each of those creatures doesn't untap during its controller's next untap step.

Trample
Kalonian Hydra enters the battlefield with four +1/+1 counters on it.
Whenever Kalonian Hydra attacks, double the number of +1/+1 counters on each creature you control.

As long as you control a Dragon, Kargan Dragonrider has flying.

Flying
When Keiga, the Tide Star dies, gain control of target creature.

Flying
Creatures your opponents control enter the battlefield tapped.

Flying, haste
Whenever Klauth, Unrivaled Ancient attacks, add X mana in any combination of colors, where X is the total power of attacking creatures. Spend this mana only to cast spells. Until end of turn, you don't lose this mana as steps and phases end.