Vent Sentinel

Defender
{1}{R}, {T}: Vent Sentinel deals damage to target player or planeswalker equal to the number of creatures you control with defender.

Genesis Wave

Reveal the top X cards of your library. You may put any number of permanent cards with mana value X or less from among them onto the battlefield. Then put all cards revealed this way that weren't put onto the battlefield into your graveyard.

Wall of Omens

Defender
When Wall of Omens enters, draw a card.

Mountain

Sylvan Caryatid

Defender, hexproof
{T}: Add one mana of any color.

Evolving Wilds

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Perimeter Captain

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

Damnable Pact

Target player draws X cards and loses X life.

Terramorphic Expanse

{T}, Sacrifice Terramorphic Expanse: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Stalwart Shield-Bearers

Defender
Other creatures you control with defender get +0/+2.

Plains

Axebane Guardian

Defender
{T}: Add X mana in any combination of colors, where X is the number of creatures you control with defender.

Overgrown Battlement

Defender
{T}: Add {G} for each creature you control with defender.

Forest

Recover

Return target creature card from your graveyard to your hand.
Draw a card.

Swamp

Doran, the Siege Tower

Each creature assigns combat damage equal to its toughness rather than its power.