Mizzix of the Izmagnus [Commander 2015] Gladiator pay {U} and exile it

pay {U} and exile it with four time counters on it

Set: Mercadian Masques Type: Enchantment Rarity: Uncommon Cost: {2}{W} Whenever a creature blocks a black or red creature

you may pay {W} and exile it with ten time counters on it

Set: Ice Age Type: Instant Rarity: Common Cost: {X}{U} Counter target spell unless its controller pays {X}

after this main phase

Mizzix of the Izmagnus [Commander 2015] Gladiator pay {U} and exile itSet: Commander 2015 Type: Legendary Creature Goblin Wizard Rarity: Mythic Cost: {2}{U}{R} Whenever you cast an instant or sorcery spell with mana value greater than the number of experience counters you have, you get an experience counter. Instant and sorcery spells you cast cost {1} less to cast for each experience counter you have.