Card Codex

Mizzix of the Izmagnus

Scryfall

2UR · Legendary Creature — Goblin Wizard

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. 2/2

Similar cards

Name	Mana	Type	Text
Mana Leak	1U	Instant	Counter target spell unless its controller pays {3}.
Mana Tithe	W	Instant	Counter target spell unless its controller pays {1}.
Mindstatic	3U	Instant	Counter target spell unless its controller pays {6}.
Quench	1U	Instant	Counter target spell unless its controller pays {2}.
Reduce	2U	Instant	Counter target spell unless its controller pays {3}.
Foul Play	1B	Sorcery	Destroy target creature with power 2 or less. Investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")
Nightfall Predator		Creature — Werewolf	{R}, {T}: Nightfall Predator fights target creature. (Each deals damage equal to its power to the other.) At the beginning of each upkeep, if a player cast two or more spells last turn, transform Nightfall Predator. 4/4
Rhythm of the Wild	1RG	Enchantment	Creature spells you control can't be countered. Nontoken creatures you control have riot. (They enter the battlefield with your choice of a +1/+1 counter or haste.)
Metallic Rebuke	2U	Instant	Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) Counter target spell unless its controller pays {3}.
Possibility Storm	3RR	Enchantment	Whenever a player casts a spell from their hand, that player exiles it, then exiles cards from the top of their library until they exile a card that shares a card type with it. That player may cast that card without paying its mana cost. Then they put all cards exiled with Possibility Storm on the bottom of their library in a random order.