Budget Alternatives to Shifting Sliver

Noggle Bandit $0.04 1U/RU/R · Noggle Rogue This creature can't be blocked except by creatures with defender. Dread Warlock $0.05 1BB · Human Wizard Warlock This creature can't be blocked except by black creatures. Invisibility $0.08 UU · Aura Enchant creature Rampaging Ceratops $0.09 4R · Dinosaur This creature can't be blocked except by three or more creatures. Skirk Shaman $0.09 1RR · Goblin Shaman This creature can't be blocked except by artifact creatures and/or red creatures. Manta Ray $0.12 1UU · Fish This creature can't attack unless defending player controls an Island. Deathcult Rogue $0.13 1U/BU/B · Human Rogue This creature can't be blocked except by Rogues. Sonorous Howlbonder $0.16 1B/RB/R · Human Warrior Menace Elven Riders $0.16 3GG · Elf This creature can't be blocked except by Walls and/or creatures with flying. Gorilla Berserkers $0.18 3GG · Ape Berserker Trample; rampage 2 Amrou Seekers $0.18 2W · Kithkin Rebel This creature can't be blocked except by artifact creatures and/or white creatures. Departed Deckhand $0.21 1U · Spirit Pirate When this creature becomes the target of a spell, sacrifice it. Treetop Rangers $0.25 2G · Elf Ranger This creature can't be blocked except by creatures with flying. Nick Valentine, Private Eye $0.26 2U · Synth Detective Nick Valentine can't be blocked except by artifact creatures. Cloak of Invisibility $0.28 U · Aura Enchant creature Underworld Cerberus $0.28 3BR · Dog This creature can't be blocked except by three or more creatures. Guile $0.81 3UUU · Elemental Incarnation This creature can't be blocked except by three or more creatures. Midnight Pathlighter $0.90 2WU · Human Wizard Creatures you control can't be blocked except by legendary creatures. Deluxe Dragster $1.70 4U · Vehicle This Vehicle can't be blocked except by Vehicles.