Niko Aris

An X in the mana cost of a planeswalker is a rare structural move, because loyalty walkers already carry a built-in cost curve in their tick-up and tick-down math. Here the X buys Shard tokens on entry, which turns the walker into a scalable card-advantage battery: each Shard is a two-mana instant-speed cantrip you cash in whenever you choose. That deferral is the whole engine, because the first minus scales with cards drawn this turn, so the Shards are not just value on a stick; they are ammunition you load and then fire, cracking several in a single turn to size up a removal spell that only ever hits tapped creatures. The plus ability is the strange one: it makes an attacker unblockable, then bounces it the instant it connects, a self-inflicted tempo tax that reads as a downside until you notice the enter-the-battlefield triggers, blink targets, and combat-damage riders it recurs on demand. The design idea is a planeswalker whose loyalty abilities feed each other across turns rather than within a single one, with the Shards as the connective tissue: draw to grow the burn, bounce to reset a trigger, refill the reservoir with the second minus when you have spent it down, and let the X decide how deep the reservoir starts. Spend mana now for a hand you spend later, and every line asks you to plan which resource you are converting into which.