Cards like Qiqirn Merchant and Travel the Overworld excel in a more defensive strategy, so try to strike a balance of bomb rares, removal, blockers, card draw, and towns
If you are going first, Link summon Shizuku then end your turn after you have used your spell cards
The manner in which the stack is formed varies from player to player, but each one's strategies have to be synergistic, as you want to be able to parry the damage the other player is trying to inflict while looking for a probabilistic weak spot in its defense, and of course taking a calculated chance
While other cards over the years have featured effects similar to this (mythic rare Zur, Eternal Schemer from Dominaria United comes to mind), Opalescence was the first to do it en masse for enchantments, and, due to its novelty and being first on the scene, it clocks in with a price point approaching $30