Budget Alternatives to Carrion Feeder

Malevolent Noble $0.02 1B · Human Noble {2}, Sacrifice an artifact or another creature: Put a +1/+1 counter on this creature. Unburied Earthcarver $0.02 1B · Human Warrior {2}, Sacrifice another creature: Put a +1/+1 counter on this creature. Krark-Clan Ogre $0.04 3RR · Ogre {R}, Sacrifice an artifact: Target creature can't block this turn. Phyrexian Broodlings $0.06 1BB · Phyrexian Minion {1}, Sacrifice a creature: Put a +1/+1 counter on this creature. Bojuka Brigand $0.08 1B · Human Warrior Ally This creature can't block. Dreamwinder $0.08 3U · Serpent This creature can't attack unless defending player controls an Island. Fretwork Colony $0.09 1B · Insect This creature can't block. Undercity Necrolisk $0.10 3B · Zombie Lizard {1}, Sacrifice another creature: Put a +1/+1 counter on this creature. Bog Hoodlums $0.11 5B · Goblin Warrior This creature can't block. Hungry Ghoul $0.11 1B · Zombie {1}, Sacrifice another creature: Put a +1/+1 counter on this creature. Boneyard Desecrator $0.12 3B · Zombie Mercenary Menace Blood Aspirant $0.13 1R · Satyr Berserker Whenever you sacrifice a permanent, put a +1/+1 counter on this creature. Redcap Gutter-Dweller $0.15 2RR · Goblin Warrior Menace Martyred Rusalka $0.15 W · Spirit {W}, Sacrifice a creature: Target creature can't attack this turn. Scarland Thrinax $0.18 BRG · Lizard Sacrifice a creature: Put a +1/+1 counter on this creature. Kukemssa Serpent $0.22 3U · Serpent This creature can't attack unless defending player controls an Island. Bloodflow Connoisseur $0.24 2B · Vampire Sacrifice a creature: Put a +1/+1 counter on this creature. Razorlash Transmogrant $0.54 2 · Zombie This creature can't block. Black Carriage $0.74 3BB · Horse Trample