Budget Alternatives to Contagion Engine

Weftblade Enhancer $0.04 5W · Drix Artificer When this creature enters, put a +1/+1 counter on each of up to two target creatures. Trigon of Corruption $0.12 4 · Artifact This artifact enters with three charge counters on it. Cultbrand Cinder $0.12 4B/R · Elemental Shaman When this creature enters, put a -1/-1 counter on target creature. Tolarian Contempt $0.12 3UU · Enchantment When this enchantment enters, put a rejection counter on each creature your opponents control. Everything Pizza $0.14 2 · Food When this artifact enters, search your library for a basic land card, reveal it, put it into your... Merfolk Skydiver $0.15 GU · Merfolk Mutant Flying Decimator Beetle $0.16 3BG · Insect When this creature enters, put a -1/-1 counter on target creature you control. Venerated Loxodon $0.22 4W · Elephant Cleric Convoke Thought Prison $0.22 5 · Artifact Imprint — When this artifact enters, you may have target player reveal their hand. Fraying Line $0.23 4 · Artifact When this artifact enters, put a rope counter on target creature you control. Sentry Bot $0.24 4W · Robot Flash Soul Snuffers $0.25 2BB · Elemental Shaman When this creature enters, put a -1/-1 counter on each creature. Biomantic Mastery $0.27 4G/UG/UG/U · Sorcery Draw a card for each creature target player controls, then draw a card for each creature another ... Unstable Glyphbridge // Sandswirl Wanderglyph $0.28 Golem When this artifact enters, if you cast it, for each player, choose a creature with power 2 or les... Contagion Clasp $0.31 2 · Artifact When this artifact enters, put a -1/-1 counter on target creature. Arcade Cabinet $0.55 3 · Artifact When this artifact enters, put a +1/+1 counter on each of up to four target creatures. Rowan Kenrith $0.61 4RR · Rowan +2: During target player's next turn, each creature that player controls attacks if able. Lockjaw Snapper $1.14 4 · Scarecrow Wither Misfortune $1.18 1BRG · Sorcery An opponent chooses one —