Level Up is the mechanic that Class was based on, and appears on creatures (known as Levelers)
This could be a great addition to Kraum, Ludevic's Opus decks that can effectively utilize the Malevolent Hermit's flipside
It's strong in ETB heavy brews like midrange and blink, sacrifice brews where you can sacrifice to something like Attrition and then come back, Aristocrats where you can trigger Blood Artist for wins, life gain for lifelink shenanigans, Voltron and equipment that invested in equipment infrastructure to and any heavy creature build
Stoneforge Mystic Developer tip: Giving white access to tutoring a card and putting it into the battlefield is strong (Tinker), even if it requires multiple steps
Whether you're battling it out with friends or enjoying the thrill of collecting solo, horizon ar delivers a brand new experience
You are never forced to activate mana abilities to pay costs, so if there is a mandatory additional mana cost (such as from Thalia, Guardian of Thraben), you can decline to activate mana abilities to pay for it and hence fail to cast the suspended card, leaving it in exile