Life from the Loam [Duel Decks: Izzet vs. Golgari] Leveler −9: You get an emblem

−9: You get an emblem with "Whenever a creature you control deals combat damage to a player

This explains why the goblins remain unaffected

That player discards that card

Set: Magic 2012 Type: Creature — Human Cleric Rare Cost: {W}{W} During your turn

Set: Arena League 1996 Type: Basic Land — Forest Rare Cost: ({T}: Add {G}

Life from the Loam [Duel Decks: Izzet vs. Golgari] Leveler −9: You get an emblemSet: Duel Decks: Izzet vs. Golgari Type: Sorcery Rare Cost: {1}{G} Return up to three target land cards from your graveyard to your hand. Dredge 3 (If you would draw a card, you may mill three cards instead. If you do, return this card from your graveyard to your hand.)