Budget Alternatives to Dwarven Miner

Ogre Siegebreaker $0.08 2BR · Ogre Berserker {2}{B}{R}: Destroy target creature that was dealt damage this turn. Fissure Vent $0.11 3RR · Sorcery Choose one or both — Goblin Ruinblaster $0.12 2R · Goblin Shaman Kicker {R} Ore Gorger $0.13 3RR · Spirit Whenever you cast a Spirit or Arcane spell, you may destroy target nonbasic land. Chandler $0.21 4R · Human Rogue {R}{R}{R}, {T}: Destroy target artifact creature. Hoard-Smelter Dragon $0.24 4RR · Dragon Flying Trench Wurm $0.25 3B · Wurm {2}{R}, {T}: Destroy target nonbasic land. Gorilla Shaman $0.26 R · Ape Shaman {X}{X}{1}: Destroy target noncreature artifact with mana value X. Savaen Elves $0.27 G · Elf {G}{G}, {T}: Destroy target Aura attached to a land. Shivan Harvest $0.28 1R · Enchantment {1}{R}, Sacrifice a creature: Destroy target nonbasic land. Joven $0.29 3RR · Human Rogue {R}{R}{R}, {T}: Destroy target noncreature artifact. Lava Blister $0.44 1R · Sorcery Destroy target nonbasic land unless its controller has Lava Blister deal 6 damage to them. Rith's Charm $0.45 RGW · Instant Choose one — Dwarven Blastminer $0.70 1R · Dwarf {2}{R}, {T}: Destroy target nonbasic land. Fulminator Mage $0.82 1B/RB/R · Elemental Shaman Sacrifice this creature: Destroy target nonbasic land. Magmatic Hellkite $0.83 2RR · Dragon Flying