Champion a Goblin (When this enters, sacrifice it unless you exile another Goblin you control. When this leaves the battlefield, that card returns to the battlefield.)Whenever a Goblin you control deals combat damage to a player, you may create a 1/1 black Goblin Rogue creature token.
Islandwalk (This creature can't be blocked as long as defending player controls an Island.)When Merrow Harbinger enters, you may search your library for a Merfolk card, reveal it, then shuffle and put that card on top.
Counter target spell. Clash with an opponent. If you win, at the beginning of your next main phase, you may add an amount of equal to that spell's mana value. (Each clashing player reveals the top card of their library, then puts that card on the top or bottom. A player wins if their card had a higher mana value.)
As an additional cost to cast this spell, sacrifice a Goblin.Target creature gets -5/-5 until end of turn. Fodder Launch deals 5 damage to that creature's controller.
Hideaway 4 (When this land enters, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.)Spinerock Knoll enters tapped.: Add ., : You may play the exiled card without paying its mana cost if an opponent was dealt 7 or more damage this turn.