Relic Sloth

Vigilance
Menace (This creature can't be blocked except by two or more creatures.)

Cerodon Yearling

Battlegate Mimic

Whenever you cast a spell that's both red and white, Battlegate Mimic has base power and toughness 4/2 until end of turn and gains first strike until end of turn.

Auriok Transfixer

Aven Skirmisher

Fresh-Faced Recruit

During your turn, Fresh-Faced Recruit has first strike.

Boros Recruit

({R/W} can be paid with either {R} or {W}.)
First strike

Make Your Mark

Target creature gets +1/+0 until end of turn. When that creature dies this turn, create a 3/2 red and white Spirit creature token.

Wojek Halberdiers

Battalion — Whenever Wojek Halberdiers and at least two other creatures attack, Wojek Halberdiers gains first strike until end of turn.

Armor of Faith

Enchant creature
Enchanted creature gets +1/+1.
{W}: Enchanted creature gets +0/+1 until end of turn.