Mystic Confluence

Most modal spells hand you a menu and make you pick from it once. This one lets you order the same dish three times, and that repeat clause changes what kind of card it is. Five mana for a soft counter that a spell dodges by paying three would be a bad rate on its own; five mana to counter a spell, bounce their best creature, then draw a card is a single object on the stack doing the work of three cards. When the board is empty you take three cards. Under pressure you bounce three attackers and reset the whole combat. Facing one crucial spell, you stack a counter and two cards behind it. The price is the counterweight: at five mana it can never be the early tempo counter that keeps a fast start in check, so it earns its slot as a midgame pivot that turns one card into a package most decks would spread across three. What makes it dangerous even in hand is the same thing that makes any open-mana blue player dangerous: the opponent has no way to price out which three modes are coming, so every attack, every key spell, every empty draw step has to be played around a card that could be doing something else entirely.