Test of Faith

Damage prevention that pays you back: most fog effects and shields spend a card to make nothing happen, but here the points that would have hit your creature convert into permanent stats. Block with a 2/2 into a 3/3, fire this off, and you walk away with a 5/5 that the attacker's removal has to account for again. The catch is the math: you only bank a counter for damage actually prevented, so reading the combat correctly is what separates a full +3/+3 from a wasted spell. Aim it at a creature taking exactly three and you net the maximum; point it at a creature being chipped for one and you have spent a card to grow a single counter. That gate is the price of the upside, and it stops the spell from being a flat combat blowout. White rarely grows a creature at instant speed, and almost never while simultaneously voiding a burn spell or a damage-based removal effect; aimed at the receiving end of a Lightning Bolt, the shield eats all three and hands back the full +3/+3 to boot. The reward goes to patience without setup: no creatures sacrificed, no counters seeded in advance, just a clean conversion of incoming damage into a body that outlives the fight that produced it. It folds protection and a permanent upgrade into a single instant, and asks only that you wait for the swing where the prevented damage is real.