Force Spike

Counter target spell unless its controller pays {1}.

Chart a Course

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

Peek

Look at target player's hand.
Draw a card.

Spectral Sailor

Flash (You may cast this spell any time you could cast an instant.)
Flying
{3}{U}: Draw a card.

Walking Bulwark

Defender
{2}: Until end of turn, target creature with defender gains haste, can attack as though it didn't have defender, and assigns combat damage equal to its toughness rather than its power. Activate only as a sorcery.

Spear Spewer

Defender
{T}: This creature deals 1 damage to each player.

Counterspell

Boomerang Basics

Return target nonland permanent to its owner's hand. If you controlled that permanent, draw a card.

Plains

Barrier of Bones

Defender
When this creature enters, surveil 1. (Look at the top card of your library. You may put that card into your graveyard.)

Wall of Runes

Defender (This creature can't attack.)
When this creature enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Shield Sphere

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

Pride Guardian

Defender
Whenever this creature blocks, you gain 3 life.

Scry 1. (Look at the top card of your library. You may put that card on the bottom.)
Draw a card.

Excavated Wall

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

Dragon's Eye Sentry

Perimeter Captain

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

Academy Wall

Defender
Whenever you cast an instant or sorcery spell, you may draw a card. If you do, discard a card. This ability triggers only once each turn.

Island

Clockwork Drawbridge

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

Turn Aside

Counter target spell that targets a permanent you control.

Brainstorm

Draw three cards, then put two cards from your hand on top of your library in any order.