Wild Leotau

At the beginning of your upkeep, sacrifice Wild Leotau unless you pay {G}.

Forest

Draining Whelk

Flash
Flying
When Draining Whelk enters the battlefield, counter target spell. Put X +1/+1 counters on Draining Whelk, where X is that spell's mana value.

Rupture Spire

Rupture Spire enters the battlefield tapped.
When Rupture Spire enters the battlefield, sacrifice it unless you pay {1}.
{T}: Add one mana of any color.

Savage Hunger

Enchant creature
Enchanted creature gets +1/+0 and has trample.
Cycling {2} ({2}, Discard this card: Draw a card.)

Robe of Mirrors

Enchant creature (Target a creature as you cast this. This card enters the battlefield attached to that creature.)
Enchanted creature has shroud. (It can't be the target of spells or abilities.)

Kjeldoran War Cry

Creatures you control get +X/+X until end of turn, where X is 1 plus the number of cards named Kjeldoran War Cry in all graveyards.

Trip Noose

Aven Trailblazer

Flying
Domain — Aven Trailblazer's toughness is equal to the number of basic land types among lands you control.

Midnight Guard

Whenever another creature enters the battlefield, untap Midnight Guard.

Gwafa Hazid, Profiteer

{W}{U}, {T}: Put a bribery counter on target creature you don't control. Its controller draws a card.
Creatures with bribery counters on them can't attack or block.

Frantic Salvage

Put any number of target artifact cards from your graveyard on top of your library.
Draw a card.

Fledgling Mawcor

Flying
{T}: Fledgling Mawcor deals 1 damage to any target.
Morph {U}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Shard Convergence

Search your library for a Plains card, an Island card, a Swamp card, and a Mountain card. Reveal those cards, put them into your hand, then shuffle.

Mahamoti Djinn

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

Soul's Grace

You gain life equal to target creature's power.

Bant Panorama

{T}: Add {C}.
{1}, {T}, Sacrifice Bant Panorama: Search your library for a basic Forest, Plains, or Island card, put it onto the battlefield tapped, then shuffle.

Ember Weaver

Reach (This creature can block creatures with flying.)
As long as you control a red permanent, Ember Weaver gets +1/+0 and has first strike.

Steel of the Godhead

Enchant creature
As long as enchanted creature is white, it gets +1/+1 and has lifelink. (Damage dealt by the creature also causes its controller to gain that much life.)
As long as enchanted creature is blue, it gets +1/+1 and can't be blocked.

Assault Zeppelid

Crystallization

Enchant creature
Enchanted creature can't attack or block.
When enchanted creature becomes the target of a spell or ability, exile that creature.

River Kelpie

Whenever River Kelpie or another permanent enters the battlefield from a graveyard, draw a card.
Whenever a player casts a spell from a graveyard, draw a card.
Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

Overrule

Counter target spell unless its controller pays {X}. You gain X life.

Island

Constricting Tendrils

Target creature gets -3/-0 until end of turn.
Cycling {2} ({2}, Discard this card: Draw a card.)

Worldly Counsel

Domain — Look at the top X cards of your library, where X is the number of basic land types among lands you control. Put one of those cards into your hand and the rest on the bottom of your library in any order.

Algae Gharial

Shroud (This creature can't be the target of spells or abilities.)
Whenever another creature dies, you may put a +1/+1 counter on Algae Gharial.

Mosstodon

{1}: Target creature with power 5 or greater gains trample until end of turn.

Armored Ascension

Enchant creature
Enchanted creature gets +1/+1 for each Plains you control and has flying.

Celestial Purge

Cancel

Resounding Silence

Exile target attacking creature.
Cycling {5}{G}{W}{U} ({5}{G}{W}{U}, Discard this card: Draw a card.)
When you cycle Resounding Silence, exile up to two target attacking creatures.

Might of Alara

Domain — Target creature gets +1/+1 until end of turn for each basic land type among lands you control.

Rhox Charger

Trample
Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)

Demand

Search your library for a multicolored card, reveal it, put it into your hand, then shuffle.

Supply

Create X 1/1 green Saproling creature tokens.

Supply // Demand

Tukatongue Thallid

When Tukatongue Thallid dies, create a 1/1 green Saproling creature token.

Mighty Emergence

Whenever a creature with power 5 or greater enters the battlefield under your control, you may put two +1/+1 counters on it.

Chameleon Blur

Prevent all damage that creatures would deal to players this turn.

Waveskimmer Aven

Flying
Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)

Stoic Angel

Flying, vigilance
Players can't untap more than one creature during their untap steps.

Pongify

Destroy target creature. It can't be regenerated. Its controller creates a 3/3 green Ape creature token.

Grizzly Bears

Aerie Mystics

Flying
{1}{G}{U}: Creatures you control gain shroud until end of turn. (They can't be the targets of spells or abilities.)

Gleam of Resistance

Creatures you control get +1/+2 until end of turn. Untap those creatures.
Basic landcycling {1}{W} ({1}{W}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

Serum Raker

Flying
When Serum Raker dies, each player discards a card.

Bant Sojourners

When you cycle Bant Sojourners or it dies, you may create a 1/1 white Soldier creature token.
Cycling {2}{W} ({2}{W}, Discard this card: Draw a card.)

Chastise

Destroy target attacking creature. You gain life equal to its power.

Fleeting Image

Flying (This creature can't be blocked except by creatures with flying or reach.)
{1}{U}: Return Fleeting Image to its owner's hand.

Spell Snip

Counter target spell unless its controller pays {1}.
Cycling {2} ({2}, Discard this card: Draw a card.)

Chromatic Star

{1}, {T}, Sacrifice Chromatic Star: Add one mana of any color.
When Chromatic Star is put into a graveyard from the battlefield, draw a card.

Dawnray Archer

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)
{W}, {T}: Dawnray Archer deals 1 damage to target attacking or blocking creature.

Angelsong

Prevent all combat damage that would be dealt this turn.
Cycling {2} ({2}, Discard this card: Draw a card.)

Plains

Unnatural Predation

Target creature gets +1/+1 and gains trample until end of turn.

Messenger Falcons

Flying
When Messenger Falcons enters the battlefield, draw a card.

Winged Coatl

Flash (You may cast this spell any time you could cast an instant.)
Flying
Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Rhox Bodyguard

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)
When Rhox Bodyguard enters the battlefield, you gain 3 life.

Ovinize

Until end of turn, target creature loses all abilities and has base power and toughness 0/1.

Jhessian Infiltrator

Telemin Performance

Target opponent reveals cards from the top of their library until they reveal a creature card. That player puts all noncreature cards revealed this way into their graveyard, then you put the creature card onto the battlefield under your control.

Flashfreeze

Rhox Meditant

When Rhox Meditant enters the battlefield, if you control a green permanent, draw a card.

Resounding Roar

Target creature gets +3/+3 until end of turn.
Cycling {5}{R}{G}{W} ({5}{R}{G}{W}, Discard this card: Draw a card.)
When you cycle Resounding Roar, target creature gets +6/+6 until end of turn.

Snapping Drake

Oblivion Ring

When Oblivion Ring enters the battlefield, exile another target nonland permanent.
When Oblivion Ring leaves the battlefield, return the exiled card to the battlefield under its owner's control.

Nacatl Savage

Asha's Favor

Enchant creature
Enchanted creature has flying, first strike, and vigilance.

Novijen, Heart of Progress

{T}: Add {C}.
{G}{U}, {T}: Put a +1/+1 counter on each creature that entered the battlefield this turn.

Filigree Fracture

Destroy target artifact or enchantment. If that permanent was blue or black, draw a card.

Drelnoch

Whenever Drelnoch becomes blocked, you may draw two cards.

Talon Trooper

Skyward Eye Prophets

Vigilance
{T}: Reveal the top card of your library. If it's a land card, put it onto the battlefield. Otherwise, put it into your hand.

Grizzled Leotau

Divine Offering

Destroy target artifact. You gain life equal to its mana value.

Welkin Guide

Flying
When Welkin Guide enters the battlefield, target creature gets +2/+2 and gains flying until end of turn.