Rhet-Crop Spearmaster
{2}{W}
Creature -- Human Warrior
3/1
You may exert ~this~ as it attacks. When you do, it gets +1/+0 and gains first strike until end of turn. (An exerted creature won't untap during your next untap step.)
Root Spider
{3}{G}
Creature -- Spider
2/2
Whenever ~this~ blocks, it gets +1/+0 and gains first strike until end of turn.