Wall of Deceit

Defender (This creature can’t attack.)
: Turn Wall of Deceit face down.
Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

Mirror Sheen

: Copy target instant or sorcery spell that targets you. You may choose new targets for the copy.

Sapling of Colfenor

Indestructible
Whenever Sapling of Colfenor attacks, reveal the top card of your library. If it’s a creature card, you gain life equal to that card’s toughness, lose life equal to its power, then put it into your hand.

Blight Sickle

Equipped creature gets +1/+0 and has wither. (It deals damage to creatures in the form of -1/-1 counters.)
Equip

Spell Syphon

Counter target spell unless its controller pays for each blue permanent you control.

Heap Doll

Sacrifice Heap Doll: Exile target card from a graveyard.

Prismatic Omen

Lands you control are every basic land type in addition to their other types.

Murmuring Bosk

(: Add .)
As Murmuring Bosk enters the battlefield, you may reveal a Treefolk card from your hand. If you don’t, Murmuring Bosk enters the battlefield tapped.
: Add or . Murmuring Bosk deals 1 damage to you.

Hostile Realm

Enchant land
Enchanted land has “: Target creature can’t block this turn.”

Luminescent Rain

Choose a creature type. You gain 2 life for each permanent you control of that type.

Serrated Arrows

Serrated Arrows enters the battlefield with three arrowhead counters on it.
At the beginning of your upkeep, if there are no arrowhead counters on Serrated Arrows, sacrifice it.
, Remove an arrowhead counter from Serrated Arrows: Put a -1/-1 counter on target creature.

Seedguide Ash

When Seedguide Ash dies, you may search your library for up to three Forest cards and put them onto the battlefield tapped. If you do, shuffle your library.

Vivid Marsh

Vivid Marsh enters the battlefield tapped with two charge counters on it.
: Add .
, Remove a charge counter from Vivid Marsh: Add one mana of any color.

Adarkar Wastes

: Add .
: Add or . Adarkar Wastes deals 1 damage to you.

Spark Elemental

Trample, haste (This creature can deal excess combat damage to the player or planeswalker it’s attacking. This creature can attack and as soon as it comes under your control.)
At the beginning of the end step, sacrifice Spark Elemental.