Budget Alternatives to Crystal Barricade

Blinding Fog $0.08 2G · Instant Prevent all damage that would be dealt to creatures this turn. Divine Light $0.10 W · Sorcery Prevent all damage that would be dealt this turn to creatures you control. Safe Passage $0.11 2W · Instant Prevent all damage that would be dealt to you and creatures you control this turn. Eerie Interference $0.21 2W · Instant Prevent all damage that would be dealt to you and creatures you control this turn by creatures. Loyal Unicorn $0.28 3W · Unicorn Vigilance The Wanderer $0.31 3W · Legendary Planeswalker Prevent all noncombat damage that would be dealt to you and other permanents you control. Rescue Retriever $0.37 3WW · Dog Soldier Flash Light of Sanction $0.41 1WW · Enchantment Prevent all damage that would be dealt to creatures you control by sources you control. Pack Leader $0.43 1W · Dog Other Dogs you control get +1/+1. Drogskol Reinforcements $0.46 3W · Spirit Soldier Melee Multiclass Baldric $0.68 1 · Equipment Equipped creature has lifelink if you control a Cleric, deathtouch if you control a Rogue, haste ... Mark of Asylum $0.84 1W · Enchantment Prevent all noncombat damage that would be dealt to creatures you control. Magebane Armor $0.93 3 · Equipment Equipped creature gets +2/+4 and loses flying. Inner Sanctum $1.08 1WW · Enchantment Cumulative upkeep—Pay 2 life. Blessed Sanctuary $1.66 3WW · Enchantment Prevent all noncombat damage that would be dealt to you and creatures you control. Gideon, Ally of Zendikar $1.84 2WW · Gideon +1: Until end of turn, Gideon becomes a 5/5 Human Soldier Ally creature with indestructible that'...