Budget Alternatives to Catacomb Dragon

Tel-Jilad Wolf $0.03 2G · Wolf Whenever this creature becomes blocked by an artifact creature, this creature gets +3/+3 until en... Iron-Craw Crusher $0.06 7 · Wurm Prototype {2}{G}{G} — 2/5 Duskworker $0.07 4 · Construct Whenever this creature becomes blocked, regenerate it. Stubborn Burrowfiend $0.09 1G · Badger Beast Mount Whenever this creature becomes saddled for the first time each turn, mill two cards, then this cr... Rabid Wolverines $0.11 3GG · Wolverine Whenever this creature becomes blocked by a creature, this creature gets +1/+1 until end of turn. Hemosymbic Mite $0.11 G · Mite Whenever this creature becomes tapped, another target creature you control gets +X/+X until end o... Viashino Weaponsmith $0.11 3R · Lizard Whenever this creature becomes blocked by a creature, this creature gets +2/+2 until end of turn. Cave Tiger $0.15 2G · Cat Whenever this creature becomes blocked by a creature, this creature gets +1/+1 until end of turn. Immersturm Predator $0.16 2BR · Vampire Dragon Flying Flailing Drake $0.17 3G · Drake Flying Talruum Champion $0.18 4R · Minotaur First strike Shape Stealer $0.25 UU · Shapeshifter Spirit Whenever this creature blocks or becomes blocked by a creature, change this creature's base power... Giant Shark $0.32 5U · Shark This creature can't attack unless defending player controls an Island. Spellbound Dragon $0.33 3UR · Dragon Flying Velukan Dragon $0.33 5RR · Dragon Flying Mordant Dragon $0.34 3RRR · Dragon Flying Stone-Cold Basilisk $0.35 4G · Basilisk Whenever this creature blocks or becomes blocked by a creature with fewer letters in its name, de... Witherscale Wurm $0.77 4GG · Wurm Whenever this creature blocks or becomes blocked by a creature, that creature gains wither until ... Mana-Charged Dragon $1.41 4RR · Dragon Flying, trample