Vastwood Hydra

Creature - Hydra

Vastwood Hydra enters the battlefield with X +1/+1 counters on it.

When Vastwood Hydra dies, you may distribute a number of +1/+1 counters equal to the number of +1/+1 counters on Vastwood Hydra among any number of creatures you control.

Voracious Wurm

Creature - Wurm

Voracious Wurm enters the battlefield with X +1/+1 counters on it, where X is the amount of life you've gained this turn.

Shepherds in Kalonia know it's better to let sheep roam than have them be trapped when the wurms are feeding.

Wall of Frost

Creature - Wall

Defender (This creature can't attack.)

Whenever Wall of Frost blocks a creature, that creature doesn't untap during its controller's next untap step.

"I welcome it. The pasture is cleared of weeds and the wolves are frozen solid."
-Lumi, goatherd

Wall of Swords

Creature - Wall

Defender (This creature can't attack.)

Flying

The air hummed with the scissoring sound of uncounted blades that hovered in front of the invaders as though wielded by a phalanx of unseen hands.

Warden of Evos Isle

Creature - Bird Wizard

Flying

Creature spells with flying you cast cost less to cast.

On Evos Isle, the swift and formidable aven enforce the will of the ruling sphinxes.

Water Servant

Creature - Elemental

: Water Servant gets +1/-1 until end of turn.

: Water Servant gets -1/+1 until end of turn.

"This creature has innate perceptiveness. It knows when to rise and when to vanish into the tides."
-Jestus Dreya, Of Elements and Eternity

Windreader Sphinx

Creature - Sphinx

Flying

Whenever a creature with flying attacks, you may draw a card.

"Your mind is too filled with foolish concerns to hear the subtle whispers that the breeze brings."

Witchstalker

Creature - Wolf

Hexproof (This creature can't be the target of spells or abilities your opponents control.)

Whenever an opponent casts a blue or black spell during your turn, put a +1/+1 counter on Witchstalker.

Woodborn Behemoth

Creature - Elemental

As long as you control eight or more lands, Woodborn Behemoth gets +4/+4 and has trample. (If this creature would assign enough damage to its blockers to destroy them, you may have it assign the rest of its damage to defending player or planeswalker.)

Xathrid Necromancer

Creature - Human Wizard

Whenever Xathrid Necromancer or another Human creature you control dies, put a 2/2 black Zombie creature token onto the battlefield tapped.

"My commands shall echo forever in their dusty skulls."

Young Pyromancer

Creature - Human Shaman

Whenever you cast an instant or sorcery spell, put a 1/1 red Elemental creature token onto the battlefield.

Immolation is the sincerest form of flattery.