Sandstone Bridge

Sandstone Bridge enters the battlefield tapped.
When Sandstone Bridge enters the battlefield, target creature gets +1/+1 and gains vigilance until end of turn.
{T}: Add {W}.

Fragmentize

Destroy target artifact or enchantment with mana value 4 or less.

Plains

Healer's Hawk

Akroan Skyguard

Flying
Heroic — Whenever you cast a spell that targets Akroan Skyguard, put a +1/+1 counter on Akroan Skyguard.

Bonesplitter

Hyena Umbra

Enchant creature
Enchanted creature gets +1/+1 and has first strike.
Totem armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)

Soul Warden

Whenever another creature enters the battlefield, you gain 1 life.

Righteous Charge

Creatures you control get +2/+2 until end of turn.

Auramancer

When Auramancer enters the battlefield, you may return target enchantment card from your graveyard to your hand.

Triplicate Spirits

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
Create three 1/1 white Spirit creature tokens with flying. (They can't be blocked except by creatures with flying or reach.)

Sunlance

Sunlance deals 3 damage to target nonwhite creature.

Suture Priest

Whenever another creature enters the battlefield under your control, you may gain 1 life.
Whenever a creature enters the battlefield under an opponent's control, you may have that player lose 1 life.

Secluded Steppe

Secluded Steppe enters the battlefield tapped.
{T}: Add {W}.
Cycling {W} ({W}, Discard this card: Draw a card.)

Squadron Hawk

Flying
When Squadron Hawk enters the battlefield, you may search your library for up to three cards named Squadron Hawk, reveal them, put them into your hand, then shuffle.

Journey to Nowhere

When Journey to Nowhere enters the battlefield, exile target creature.
When Journey to Nowhere leaves the battlefield, return the exiled card to the battlefield under its owner's control.

Ethereal Armor

Enchant creature
Enchanted creature gets +1/+1 for each enchantment you control and has first strike.

Cartouche of Solidarity

Enchant creature you control
When Cartouche of Solidarity enters the battlefield, create a 1/1 white Warrior creature token with vigilance.
Enchanted creature gets +1/+1 and has first strike.