It evolves twice, but it would only evolve once if a 3/3 entered the battlefield
Lets say you got an attack off with Celestine and you cast a Chaplain's Blessing (not something Id ever recommend doing, but just for the sake of this example)
Retail marketplaces like TCGPlayer provide consistent pricing, strong buyer protection, and instant checkout for single-card purchases
Mishra is a way more aggressive character, while Urzas plans are more convoluted and confusing
Mitsuhiro Arita (modern) the original Base Set Charizard illustrator, and his modern Pokemon work including occasional SAR contributions carries significant premium for nostalgia alone
If they will be sold in smaller random bundles, disclose that randomness and duplicate policy to your own customers just as clearly as the source product does