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On top of that, it also makes all spells your opponents cast cost one more to cast

Compulsive Research is a very versatile spell that can loot multiple spells in the graveyard and functions as a source of card advantage depending on what you need

While thats not too exciting, you still need a baseline to compare what a cheap box looks like in practice

Mischievous Chimera I kinda like Mischievous Chimera as a budget option for Izzet Draw-Go lists like Jori En, Ruin Diver

You can even keep paying the three mana for the final stage, continuing to put +1/+1 counters on it and drawing cards

Eerie Interlude Remember that trend where you named 10 cards that would make up your own personally branded Secret Lair