Markov Blademaster

Double strike
Whenever Markov Blademaster deals combat damage to a player, put a +1/+1 counter on it.

Drogskol Reaver

Flying, double strike, lifelink
Whenever you gain life, draw a card.

Student of Warfare

Level up (: Put a level counter on this. Level up only as a sorcery.)
LEVEL 2-6
3/3
First strike
LEVEL 7+
4/4
Double strike

Warren Instigator

Double strike
Whenever Warren Instigator deals damage to an opponent, you may put a Goblin creature card from your hand onto the battlefield.

Viashino Slaughtermaster

Double strike
: Viashino Slaughtermaster gets +1/+1 until end of turn. Activate this ability only once each turn.

Char-Rumbler

Double strike
: Char-Rumbler gets +1/+0 until end of turn.

Crypt Champion

Double strike
When Crypt Champion enters the battlefield, each player puts a creature card with converted mana cost 3 or less from their graveyard onto the battlefield.
When Crypt Champion enters the battlefield, sacrifice it unless was spent to cast it.

Dragon Tyrant

Flying, trample
Double strike (This creature deals both first-strike and regular combat damage.)
At the beginning of your upkeep, sacrifice Dragon Tyrant unless you pay .
: Dragon Tyrant gets +1/+0 until end of turn.

Ridgetop Raptor

Double strike (This creature deals both first-strike and regular combat damage.)