
Aven Tactician | Creature | Bird Soldier | Flying
When Aven Tactician enters the battlefield, bolster 1. (Choose a creature with the least toughness among creatures you control and put a +1/+1 counter on it.) | Christopher Moeller

Sandstorm Charger | Creature | Beast | Megamorph {4}{W} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.) | Dave Kendall

Ancient Carp | Creature | Fish | | Christopher Burdett

Silumgar Butcher | Creature | Zombie Djinn | Exploit (When this creature enters the battlefield, you may sacrifice a creature.)
When Silumgar Butcher exploits a creature, target creature gets -3/-3 until end of turn. | Dave Kendall

Sprinting Warbrute | Creature | Ogre Berserker | Sprinting Warbrute attacks each combat if able.
Dash {3}{R} (You may cast this spell for its dash cost. If you do, it gains haste, and it's returned from the battlefield to its owner's hand at the beginning of the next end step.) | Lake Hurwitz

Sandsteppe Scavenger | Creature | Dog Scout | When Sandsteppe Scavenger enters the battlefield, bolster 2. (Choose a creature with the least toughness among creatures you control and put two +1/+1 counters on it.) | Kieran Yanner

Stampeding Elk Herd | Creature | Elk | Formidable — Whenever Stampeding Elk Herd attacks, if creatures you control have total power 8 or greater, creatures you control gain trample until end of turn. | Carl Frank