Budget Alternatives to Caltrops

Moonglove Extract $0.04 3 · Artifact Sacrifice this artifact: It deals 2 damage to any target. Vial of Dragonfire $0.05 2 · Artifact {2}, {T}, Sacrifice this artifact: It deals 2 damage to target creature. Razortip Whip $0.08 2 · Artifact {1}, {T}: This artifact deals 1 damage to target opponent or planeswalker. Nine-Ringed Bo $0.12 3 · Artifact {T}: This artifact deals 1 damage to target Spirit creature. Retributive Wand $0.12 3 · Artifact {3}, {T}: This artifact deals 1 damage to any target. Consulate Turret $0.16 3 · Artifact {T}: You get {E} . Bullwhip $0.17 4 · Artifact {2}, {T}: This artifact deals 1 damage to target creature. Talon of Pain $0.18 4 · Artifact Whenever a source you control other than this artifact deals damage to an opponent, put a charge ... Unstable Amulet $0.21 1R · Artifact When this artifact enters, you get {E}{E} . Mask of Intolerance $0.26 2 · Artifact At the beginning of each player's upkeep, if there are four or more basic land types among lands ... Dragonspark Reactor $0.30 1R · Artifact Whenever this artifact or another artifact you control enters, put a charge counter on this artif... Skullcage $0.35 4 · Artifact At the beginning of each opponent's upkeep, this artifact deals 2 damage to that player unless th... Thumbscrews $0.40 2 · Artifact At the beginning of your upkeep, if you have five or more cards in hand, this artifact deals 1 da... Dingus Egg $0.45 4 · Artifact Whenever a land is put into a graveyard from the battlefield, this artifact deals 2 damage to tha... Razor Pendulum $0.55 4 · Artifact At the beginning of each player's end step, if that player has 5 or less life, this artifact deal... Paupers' Cage $1.16 3 · Artifact At the beginning of each opponent's upkeep, if that player has two or fewer cards in hand, this a... Dingus Staff $1.22 4 · Artifact Whenever a creature dies, this artifact deals 2 damage to that creature's controller.