Quirion Trailblazer

When this creature enters, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Well of Life

At the beginning of your end step, if you control no untapped lands, you gain 2 life.

Ancestral Mask

Enchant creature
Enchanted creature gets +2/+2 for each other enchantment on the battlefield.

Tranquility

Barbed Field

Enchant land
Enchanted land has "{T}: This land deals 1 damage to any target."

Whip Sergeant

{R}: Target creature gains haste until end of turn. (It can attack this turn.)

Mountain

Natural Affinity

All lands become 2/2 creatures until end of turn. They're still lands.

Keldon Berserker

Whenever this creature attacks, if you control no untapped lands, it gets +3/+0 until end of turn.

Serpentine Kavu

{R}: This creature gains haste until end of turn.

Desert Twister

Quirion Sentinel

When this creature enters, add one mana of any color.

Land Grant

If you have no land cards in hand, you may reveal your hand rather than pay this spell's mana cost.
Search your library for a Forest card, reveal that card, put it into your hand, then shuffle.

Armor of Thorns

You may cast this spell as though it had flash. If you cast it any time a sorcery couldn't have been cast, the controller of the permanent it becomes sacrifices it at the beginning of the next cleanup step.
Enchant nonblack creature
Enchanted creature gets +2/+2.

Aether Sting

Whenever an opponent casts a creature spell, this enchantment deals 1 damage to that player.

Citadel of Pain

At the beginning of each player's end step, this enchantment deals X damage to that player, where X is the number of untapped lands they control.

Fertile Ground

Enchant land
Whenever enchanted land is tapped for mana, its controller adds an additional one mana of any color.

Horned Troll

Vine Trellis

Defender (This creature can't attack.)
{T}: Add {G}.

Village Elder

{G}, {T}, Sacrifice a Forest: Regenerate target creature.

Goblin Marshal

Echo {4}{R}{R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
When this creature enters or dies, create two 1/1 red Goblin creature tokens.

Rejuvenate

You gain 6 life.
Cycling {2} ({2}, Discard this card: Draw a card.)

Zerapa Minotaur

First strike
{2}: This creature loses first strike until end of turn. Any player may activate this ability.

Invigorate

If you control a Forest, rather than pay this spell's mana cost, you may have an opponent gain 3 life.
Target creature gets +4/+4 until end of turn.

Forest

Deadly Insect

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

Spur Grappler

This creature gets +2/+1 as long as you control no untapped lands.

Chimeric Idol

{0}: Tap all lands you control. This artifact becomes a 3/3 Turtle artifact creature until end of turn.