Budget Alternatives to Krosan Beast

Mystic Zealot $0.05 3W · Human Nomad Mystic Threshold — As long as there are seven or more cards in your graveyard, this creature gets +1/+1 ... Mystic Enforcer $0.06 2GW · Human Nomad Mystic Protection from black Vigilant Sentry $0.06 1WW · Human Nomad Threshold — As long as there are seven or more cards in your graveyard, this creature gets +1/+1 ... Treacherous Werewolf $0.07 2B · Werewolf Minion Threshold — As long as there are seven or more cards in your graveyard, this creature gets +2/+2 ... Nimble Mongoose $0.08 G · Mongoose Shroud Springing Tiger $0.11 3G · Cat Threshold — This creature gets +2/+2 as long as there are seven or more cards in your graveyard. Crashing Centaur $0.11 4GG · Centaur {G}, Discard a card: This creature gains trample until end of turn. Excavating Anurid $0.12 4G · Frog Beast When this creature enters, you may sacrifice a land. Treacherous Vampire $0.13 4B · Vampire Flying Billowing Shriekmass $0.14 3B · Spirit Flying Dirty Wererat $0.14 3B · Human Rat Minion {B}, Discard a card: Regenerate this creature. Metamorphic Wurm $0.16 3GG · Elephant Wurm Threshold — This creature gets +4/+4 as long as there are seven or more cards in your graveyard. Childhood Horror $0.16 3B · Horror Flying Nantuko Calmer $0.17 2GG · Insect Druid {G}, {T}, Sacrifice this creature: Destroy target enchantment. Cabal Initiate $0.18 1B · Human Warlock Discard a card: This creature gains lifelink until end of turn. Anurid Barkripper $0.20 1GG · Frog Beast Threshold — This creature gets +2/+2 as long as there are seven or more cards in your graveyard. Dreadwing Scavenger $0.22 1UB · Nightmare Bird Flying Werebear $0.23 1G · Human Bear Druid {T}: Add {G}. Possessed Centaur $0.30 2GG · Centaur Horror Trample Nantuko Blightcutter $0.41 2G · Insect Druid Protection from black