Gatecrash

Borborygmos Enraged | Legendary Creature | Cyclops | Trample Whenever Borborygmos Enraged deals combat damage to a player, reveal the top three cards of your library. Put all land cards revealed this way into your hand and the rest into your graveyard. Discard a land card: Borborygmos Enraged deals 3 damage to any target. | Aleksi Briclot

Clan Defiance | Sorcery | | Choose one or more — • Clan Defiance deals X damage to target creature with flying. • Clan Defiance deals X damage to target creature without flying. • Clan Defiance deals X damage to target player or planeswalker. | Daarken

Domri Rade | Legendary Planeswalker | Domri | +1: Look at the top card of your library. If it's a creature card, you may reveal it and put it into your hand. −2: Target creature you control fights another target creature. −7: You get an emblem with "Creatures you control have double strike, trample, hexproof, and haste." | Tyler Jacobson

Frenzied Tilling | Sorcery | | Destroy target land. Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. | Noah Bradley

Ghor-Clan Rampager | Creature | Beast | Trample Bloodrush — {R}{G}, Discard Ghor-Clan Rampager: Target attacking creature gets +4/+4 and gains trample until end of turn. | Charles Urbach

Ground Assault | Sorcery | | Ground Assault deals damage to target creature equal to the number of lands you control. | Karl Kopinski

Gruul Charm | Instant | | Choose one — • Creatures without flying can't block this turn. • Gain control of all permanents you own. • Gruul Charm deals 3 damage to each creature with flying. | Zoltan Boros

Gruul Ragebeast | Creature | Beast | Whenever Gruul Ragebeast or another creature enters the battlefield under your control, that creature fights target creature an opponent controls. | Dave Kendall

Primal Visitation | Enchantment | Aura | Enchant creature Enchanted creature gets +3/+3 and has haste. | Christopher Moeller

Rubblehulk | Creature | Elemental | Rubblehulk's power and toughness are each equal to the number of lands you control. Bloodrush — {1}{R}{G}, Discard Rubblehulk: Target attacking creature gets +X/+X until end of turn, where X is the number of lands you control. | Raymond Swanland

Ruination Wurm | Creature | Wurm | | Dave Kendall

Signal the Clans | Instant | | Search your library for three creature cards and reveal them. If you reveal three cards with different names, choose one of them at random and put that card into your hand. Shuffle the rest into your library. | Dave Kendall

Skarrg Guildmage | Creature | Human Shaman | {R}{G}: Creatures you control gain trample until end of turn. {1}{R}{G}: Target land you control becomes a 4/4 Elemental creature until end of turn. It's still a land. | Aleksi Briclot

Zhur-Taa Swine | Creature | Boar | Bloodrush — {1}{R}{G}, Discard Zhur-Taa Swine: Target attacking creature gets +5/+4 until end of turn. | Yeong-Hao Han

Burning-Tree Emissary | Creature | Human Shaman | When Burning-Tree Emissary enters the battlefield, add {R}{G}. | Izzy

Pit Fight | Instant | | Target creature you control fights another target creature. (Each deals damage equal to its power to the other.) | Matt Stewart

Rubblebelt Raiders | Creature | Human Warrior | Whenever Rubblebelt Raiders attacks, put a +1/+1 counter on it for each attacking creature you control. | Chippy