Budget Alternatives to Raging River

Stealth Mission $0.09 2U · Sorcery Put two +1/+1 counters on target creature you control. Dragonrage $0.12 2R · Instant Add {R} for each attacking creature you control. Pyrewild Shaman $0.13 2R · Goblin Shaman Bloodrush — {1}{R}, Discard this card: Target attacking creature gets +3/+1 until end of turn. Tidal Flats $0.15 U · Enchantment {U}{U}: For each attacking creature without flying, its controller may pay {1}. Tatsunari, Toad Rider $0.19 2B · Human Ninja Whenever you cast an enchantment spell, if you don't control a creature named Keimi, create Keimi... Smart Ass $0.21 2U · Donkey Wizard Whenever this creature attacks, choose a card name. Pia Nalaar, Chief Mechanic $0.27 GUR · Human Artificer Whenever one or more artifact creatures you control deal combat damage to a player, you get {E}{E} . Professor Hojo $0.28 1G · Human Scientist The first activated ability you activate during your turn that targets a creature you control cos... Chong and Lily, Nomads $0.30 3R · Human Bard Ally Whenever one or more Bards you control attack, choose one — Path of Bravery $0.30 2W · Enchantment As long as your life total is greater than or equal to your starting life total, creatures you co... Descendants' Fury $0.31 3R · Enchantment Whenever one or more creatures you control deal combat damage to a player, you may sacrifice one ... Ancestor Dragon $0.44 4WW · Dragon Flying Agility Bobblehead $1.00 3 · Bobblehead {T}: Add one mana of any color. Goro-Goro and Satoru $1.28 UBR · Goblin Human Whenever one or more creatures you control that entered this turn deal combat damage to a player,... Tadeas, Juniper Ascendant $1.47 2GW · Human Monk Reach Grazilaxx, Illithid Scholar $1.94 1UU · Horror Whenever a creature you control becomes blocked, you may return it to its owner's hand.