Budget Alternatives to Serpent Assassin

Slayer of the Wicked $0.02 3W · Human Soldier When this creature enters, you may destroy target Vampire, Werewolf, or Zombie. Setessan Starbreaker $0.03 3G · Human Warrior When this creature enters, you may destroy target Aura. Fleshpulper Giant $0.03 5RR · Giant When this creature enters, you may destroy target creature with toughness 2 or less. Wild Celebrants $0.04 3RR · Satyr When this creature enters, you may destroy target artifact. Bala Ged Scorpion $0.06 3B · Scorpion When this creature enters, you may destroy target creature with power 1 or less. Conclave Naturalists $0.07 4G · Dryad When this creature enters, you may destroy target artifact or enchantment. Batterhorn $0.08 4R · Beast When this creature enters, you may destroy target artifact. Bumbling Pangolin $0.11 3R · Pangolin Beast When this creature enters, you may destroy target artifact. Enlightened Ascetic $0.11 1W · Cat Monk When this creature enters, you may destroy target enchantment. Dakmor Lancer $0.13 4BB · Human Knight When this creature enters, destroy target nonblack creature. Stingerfling Spider $0.15 4G · Spider Reach War Priest of Thune $0.15 1W · Human Cleric When this creature enters, you may destroy target enchantment. Gilt-Leaf Winnower $0.17 3BB · Elf Warrior Menace Acid Web Spider $0.18 3GG · Spider Reach Dark Hatchling $0.18 4BB · Horror Flying Duergar Hedge-Mage $0.31 2R/W · Dwarf Shaman When this creature enters, if you control two or more Mountains, you may destroy target artifact. Foundation Breaker $0.32 3G · Elemental When this creature enters, you may destroy target artifact or enchantment. Reclamation Sage $0.32 2G · Elf Shaman When this creature enters, you may destroy target artifact or enchantment. Angelic Rocket $0.34 8 · Angel Flying Manglehorn $1.42 2G · Beast When this creature enters, you may destroy target artifact.