Budget Alternatives to Cauldron Haze

Cruel Feeding $0.04 B · Instant Strive — This spell costs {2}{B} more to cast for each target beyond the first. Colossal Heroics $0.05 2G · Instant Strive — This spell costs {1}{G} more to cast for each target beyond the first. Rouse the Mob $0.06 R · Instant Strive — This spell costs {2}{R} more to cast for each target beyond the first. Desperate Stand $0.07 RW · Sorcery Strive — This spell costs {R}{W} more to cast for each target beyond the first. Phalanx Formation $0.07 2W · Instant Strive — This spell costs {1}{W} more to cast for each target beyond the first. Miasma Demon $0.07 4BB · Demon Flying Aerial Formation $0.09 U · Instant Strive — This spell costs {2}{U} more to cast for each target beyond the first. Undercity Upheaval $0.10 1GG · Sorcery Undergrowth — Distribute X +1/+1 counters among any number of target creatures you control, where... Become Brutes $0.12 1R · Sorcery One or two target creatures each gain haste until end of turn. Sparkshaper Visionary $0.12 2U · Human Wizard At the beginning of combat on your turn, choose any number of target planeswalkers you control. Polymorphous Rush $0.17 2U · Instant Strive — This spell costs {1}{U} more to cast for each target beyond the first. Living Inferno $0.23 6RR · Elemental {T}: This creature deals damage equal to its power divided as you choose among any number of targ... Divine Resilience $0.25 W · Instant Kicker {2}{W} Harness by Force $0.30 1RR · Sorcery Strive — This spell costs {2}{R} more to cast for each target beyond the first. Rhys, the Evermore $0.32 1W · Elf Warrior Flash Launch the Fleet $0.50 W · Sorcery Strive — This spell costs {1} more to cast for each target beyond the first. Setessan Tactics $0.52 1G · Instant Strive — This spell costs {G} more to cast for each target beyond the first. Sway of Illusion $0.69 1U · Instant Any number of target creatures become the color of your choice until end of turn.