mtg.wtf

Mogg Toady can't attack unless you control more creatures than defending player.
Mogg Toady can't block unless you control more creatures than attacking player.

Echo {1}{R}
When Mogg War Marshal enters or dies, create a 1/1 red Goblin creature token.

Double strike
Whenever a Goblin or Orc you control deals combat damage to a player, exile the top card of your library. You may play that card this turn.

Haste
Mudbrawler Cohort gets +1/+1 as long as you control another red creature.

Flash
When Munitions Expert enters, you may have it deal damage to target creature or planeswalker equal to the number of Goblins you control.

Protection from Elves

Okk can't attack unless a creature with greater power also attacks.
Okk can't block unless a creature with greater power also blocks.

When Ol' Buzzbark enters, roll X six-sided dice onto the battlefield from a height of at least X inches. For each die, put a number of +1/+1 counters equal to the result on each creature you control that die is touching. For each die, Ol' Buzzbark deals damage equal to the result to each creature an opponent controls that die is touching.

Whenever Ornery Goblin blocks or becomes blocked by a creature, Ornery Goblin deals 1 damage to that creature.

Sacrifice an artifact: Oxidda Daredevil gains haste until end of turn.

Whenever Picnic Ruiner attacks while you control a creature with power 4 or greater, Picnic Ruiner gains double strike until end of turn.

Persist

{T}: Razorfin Hunter deals 1 damage to any target.

First strike
Riot Piker attacks each combat if able.

Other Goblins you control get +1/+1.
Whenever Rundvelt Hordemaster or another Goblin you control dies, exile the top card of your library. If it's a Goblin creature card, you may cast that card until the end of your next turn.

First strike
Wither

First strike, trample
Whenever Sardian Avenger attacks, it gets +X/+0 until end of turn, where X is the number of artifacts your opponents control.
Whenever an artifact an opponent controls is put into a graveyard from the battlefield, Sardian Avenger deals 1 damage to that player.

Raid — At the beginning of your end step, if you attacked this turn, create a 1/1 red Goblin creature token.

Haste
When Shrieking Mogg enters, tap all other creatures.

Bloodrush — {R}, Discard Skinbrand Goblin: Target attacking creature gets +2/+1 until end of turn.

Whenever Skirk Drill Sergeant or another Goblin dies, you may pay {2}{R}. If you do, reveal the top card of your library. If it's a Goblin permanent card, put it onto the battlefield. Otherwise, put it into your graveyard.

Morph {2}{R}
When Skirk Marauder is turned face up, it deals 2 damage to any target.

Whenever Slavering Nulls deals combat damage to a player, if you control a Swamp, you may have that player discard a card.

Sacrifice an artifact: Target artifact gains indestructible until end of turn.