Mardu Woe-Reaper

Whenever Mardu Woe-Reaper or another Warrior you control enters, you may exile target creature card from a graveyard. If you do, you gain 1 life.

Blood-Chin Rager

Whenever Blood-Chin Rager attacks, Warrior creatures you control gain menace until end of turn. (They can't be blocked except by two or more creatures.)

Plains

Banewhip Punisher

When Banewhip Punisher enters, you may put a -1/-1 counter on target creature.
{B}, Sacrifice Banewhip Punisher: Destroy target creature that has a -1/-1 counter on it.

Herald of Dromoka

Vigilance
Other Warrior creatures you control have vigilance.

Swamp

Chief of the Scale

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

Thrasher Brute

Whenever Thrasher Brute or another Warrior your team controls enters, target opponent loses 1 life and you gain 1 life.

Necrobite

Target creature gains deathtouch until end of turn. Regenerate it. (The next time that creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Bellowing Saddlebrute

Raid — When Bellowing Saddlebrute enters, you lose 4 life unless you attacked this turn.

Battle Brawler

As long as you control a red or white permanent, Battle Brawler gets +1/+0 and has first strike.

Finish

Aftermath (Cast this spell only from your graveyard. Then exile it.)
As an additional cost to cast Finish, sacrifice a creature.
Destroy target creature.

Start

Create two 1/1 white Warrior creature tokens with vigilance.

Start // Finish

Angelic Gift

Enchant creature
When Angelic Gift enters, draw a card.
Enchanted creature has flying.

Twilight Panther

{B}: Twilight Panther gains deathtouch until end of turn.

Graveblade Marauder

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)
Whenever Graveblade Marauder deals combat damage to a player, that player loses life equal to the number of creature cards in your graveyard.

Vengeful Rebel

Revolt — When Vengeful Rebel enters, if a permanent you controlled left the battlefield this turn, target creature an opponent controls gets -3/-3 until end of turn.

Mardu Hordechief

Raid — When Mardu Hordechief enters, if you attacked this turn, create a 1/1 white Warrior creature token.

Evolving Wilds

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

Arrest

Enchant creature
Enchanted creature can't attack or block, and its activated abilities can't be activated.

Aspect of Gorgon

Enchant creature
Enchanted creature gets +1/+3 and has deathtouch. (Any amount of damage it deals to a creature is enough to destroy it.)