Alexander Ostrowski

Dragon

Twisting in the wind like a strange banner, it keeps watch over the horizon and tower alike.

Undulating Witness

Flying
{2}: This creature gets +1/-1 until end of turn.
Basic landcycling {2} ({2}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

Warden of the Grove

At the beginning of your end step, put a +1/+1 counter on this creature.
Whenever another nontoken creature you control enters, it endures X, where X is the number of counters on this creature. (Put X +1/+1 counters on the creature that entered or create an X/X white Spirit creature token.)

Ureni, the Song Unending

Flying, protection from white and from black
When Ureni enters, it deals X damage divided as you choose among any number of target creatures and/or planeswalkers your opponents control, where X is the number of lands you control.

By morning the only evidence of conflict between Temur hunters and Sultai scouts were abandoned banners in the freshly fallen snow.

Thornwood Falls

This land enters tapped.
When this land enters, you gain 1 life.
{T}: Add {G} or {U}.

Teval, Arbiter of Virtue // Teval, Arbiter of Virtue

Teval, Arbiter of Virtue

Flying, lifelink
Spells you cast have delve. (Each card you exile from your graveyard while casting those spells pays for {1}.)
Whenever you cast a spell, you lose life equal to its mana value.

Swamp

The draconic power that flowed out from the dragonstorms imbued the landscape with draconic features—scales, claws, and appetites.

Boulderborn Dragon

Flying, vigilance
Whenever this creature attacks, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Betor, Kin to All

Flying
At the beginning of your end step, if creatures you control have total toughness 10 or greater, draw a card. Then if creatures you control have total toughness 20 or greater, untap each creature you control. Then if creatures you control have total toughness 40 or greater, each opponent loses half their life, rounded up.

Don't mistake timidness for defenselessness.

Watchful Radstag

Evolve (Whenever a creature you control enters, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)
Whenever this creature evolves, create a token that's a copy of it.

"They won't harm you—not unless I tell 'em to. Here, Grip! Fang! Heel!"
—Farmer Maggot

Mushroom Watchdogs

Sacrifice a Food: Put a +1/+1 counter on this creature. It gains vigilance until end of turn. Activate only as a sorcery.

Far and wide Shelob's lesser broods spread from glen to glen, to Dol Guldur and the fastnesses of Mirkwood.

Mirkwood Spider

Deathtouch
Whenever this creature attacks, target legendary creature you control gains deathtouch until end of turn.

After their reunion, the Hobbits spent many days in Ithilien. The stream that flowed from the falls of Henneth Annûn could be heard in the night as it rushed down through its rocky gate.

Ithilien Kingfisher

Flying
When this creature dies, draw a card.

"What's that, Strider? It don't look like a cloud."
—Sam

Dunland Crebain

Flying
When this creature enters, amass Orcs 2. (Put two +1/+1 counters on an Army you control. It's also an Orc. If you don't control an Army, create a 0/0 black Orc Army creature token first.)

Scourge of the Throne

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 this creature 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.

"Radagast is, of course, a worthy Wizard, a master of shapes and changes of hue."
—Gandalf

Beast Within

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

Zask, Skittering Swarmlord

You may play lands and cast Insect spells from your graveyard.
Whenever another Insect you control dies, put it on the bottom of its owner's library, then mill two cards. (Put the top two cards of your library into your graveyard.)
{1}{B/G}: Target Insect gets +1/+0 and gains deathtouch until end of turn. ({B/G} can be paid with either {B} or {G}.)