Steward of Solidarity

{T}, Exert Steward of Solidarity: Create a 1/1 white Warrior creature token with vigilance. (An exerted creature won't untap during your next untap step.)

Negate

Soul Warden

Whenever another creature enters, you gain 1 life.

Thraben Doomsayer

{T}: Create a 1/1 white Human creature token.
Fateful hour — As long as you have 5 or less life, other creatures you control get +2/+2.

Perimeter Captain

Defender
Whenever a creature you control with defender blocks, you may gain 2 life.

Island

Chart a Course

Draw two cards. Then discard a card unless you attacked this turn.

Judge's Familiar

Flying
Sacrifice Judge's Familiar: Counter target instant or sorcery spell unless its controller pays {1}.

Temple of Enlightenment

This land enters tapped.
When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.)
{T}: Add {W} or {U}.

Wall of Omens

Defender
When Wall of Omens enters, draw a card.

Intruder Alarm

Creatures don't untap during their controllers' untap steps.
Whenever a creature enters, untap all creatures.

Sage of Epityr

When Sage of Epityr enters, look at the top four cards of your library, then put them back in any order.

Plains

Idyllic Tutor

Search your library for an enchantment card, reveal it, put it into your hand, then shuffle.