Daybreak Chimera

This spell costs {X} less to cast, where X is your devotion to white. (Each {W} in the mana costs of permanents you control counts toward your devotion to white.)
Flying

Unhallowed Cathar

Loyal Cathar

Vigilance
When Loyal Cathar dies, return it to the battlefield transformed under your control at the beginning of the next end step.

Loyal Cathar // Unhallowed Cathar

Icatian Javelineers

Icatian Javelineers enters with a javelin counter on it.
{T}, Remove a javelin counter from Icatian Javelineers: It deals 1 damage to any target.

Thraben Inspector

When Thraben Inspector enters, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")

Sentinel's Eyes

Enchant creature
Enchanted creature gets +1/+1 and has vigilance.
Escape—{W}, Exile two other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)

Veteran Armorsmith

Other Soldier creatures you control get +0/+1.

Guardians' Pledge

White creatures you control get +2/+2 until end of turn.

Elite Vanguard

Kor Skyfisher

Flying
When Kor Skyfisher enters, return a permanent you control to its owner's hand.

Citizen's Arrest

When Citizen's Arrest enters, exile target creature or planeswalker an opponent controls until Citizen's Arrest leaves the battlefield.

Plains

Niveous Wisps

Target creature becomes white until end of turn. Tap that creature.
Draw a card.