Daxos, Blessed by the Sun

Daxos's toughness is equal to your devotion to white. (Each {W} in the mana costs of permanents you control counts toward your devotion to white.)
Whenever another creature you control enters or dies, you gain 1 life.

Drannith Magistrate

Your opponents can't cast spells from anywhere other than their hands.

Esper Sentinel

Whenever an opponent casts their first noncreature spell each turn, draw a card unless that player pays {X}, where X is this creature's power.

Ornithopter

Clockwork Drawbridge

Defender
{2}{W}, {T}: Tap target creature.

Shield Sphere

Defender
Whenever this creature blocks, put a -0/-1 counter on it.

Bishop of Wings

Whenever an Angel you control enters, you gain 4 life.
Whenever an Angel you control dies, create a 1/1 white Spirit creature token with flying.

Suspicious Bookcase

Defender
{3}, {T}: Target creature can't be blocked this turn.

Soul's Attendant

Whenever another creature enters, you may gain 1 life.

Thraben Inspector

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

Aegis of the Gods

You have hexproof. (You can't be the target of spells or abilities your opponents control.)

Memnite

Soul Warden

Whenever another creature enters, you gain 1 life.

Thalia's Lieutenant

When this creature enters, put a +1/+1 counter on each other Human you control.
Whenever another Human you control enters, put a +1/+1 counter on this creature.

Shifting Wall

Defender (This creature can't attack.)
This creature enters with X +1/+1 counters on it.

Crashing Drawbridge

Defender
{T}: Creatures you control gain haste until end of turn.

Excavated Wall

Defender
{1}, {T}: Mill a card. (Put the top card of your library into your graveyard.)

Darien, King of Kjeldor

Whenever you're dealt damage, you may create that many 1/1 white Soldier creature tokens.

Champion of the Parish

Whenever another Human you control enters, put a +1/+1 counter on this creature.

Wall of Hope

Defender (This creature can't attack.)
Whenever this creature is dealt damage, you gain that much life.