mtg level up cards Rules Text: Level, Type: Creature, 27 put a +1/+1 counter on enchanted creature Level Up in MTG: Rules,

Saheeli, The Sun's Brilliance Copies Are Temporary Copy effects are aplenty with the creature version of Saheeli, the Sun's Brilliance

Doublers Like the previously mentioned Throne, there are all sorts of ways to double things, whether thats doubling ETB triggers with Panharmonicon effects, counter doubling, token doubling like Doubling Season, or even creature doublers like Reflections of Littjara

For me, Emrakuls ban is about preserving the games integrity

Sticking them on tokens furthers enhances that resiliency

This ability doubles your army with each activation, allowing you to go from a handful of Goblins to hundreds in a single turn