Horn of Greed's ability triggers whenever a player plays a land using the special action of playing a land

Agent of Treachery Ancient Tomb Chalice of the Void Channel Chrome Mox Demonic Tutor Disruptor Flute Drannith Magistrate Field of the Dead Force of Will Gideon's Intervention Lutri, the Spellchaser Mana Drain Meddling Mage Natural Order Nexus of Fate Oko, Thief of Crowns Phyrexian Revoker Pithing Needle Runed Halo Sorcerous Spyglass Strip Mine Subtlety Tainted Pact Temporal Manipulation Time Warp Ugin, the Spirit Dragon Wash Away Competitive Brawl Banlist Competitive Brawl gets a separate ban list from Brawl, and here they are: Ajani, Nacatl Pariah / Ajani, Nacatl Avenger Nadu, Winged Wisdom Lutri, the Spellchaser Oko, Thief of Crowns Old Stickfingers Ragavan, Nimble Pilferer Rusko, Clockmaker Tamiyo, Inquisitive Student / Tamiyo, Seasoned Scholar Wrenn and Six Tajic, Legion's Valor Where to Play Brawl The biggest place to play Brawl is MTG Arena, largely because the format includes online-only cards from Alchemy sets

Legendary Creature - Homunculus Creature (CTRL to add secondary) Draw Draw (CTRL to add secondary) FREE1 FREE1 (CTRL to add secondary) Fun Seize the Spotlight Each opponent chooses fame or fortune
There is synergy with graveyard stuff on a bunch of decent affinity cards and so you can get some bonus value there too