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Thats a lot of stress

The ability to discard your hand and draw 7 cards is a monstrous card advantage and is one of the main reasons why Professors Research is so much more valuable than other cards contained with the Sword & Shield set

This current metagame has a lot of decks that are either faster than Infect (Amulet) or are as fast as Infect but with more ways to interact with them and punish lifeloss from fetchlands, Growth, and Gitaxian Probe

That may be just what you need in a topdecking situation when you cant kill your opponent right away

We can define a freshness measure to try and analyse this

Divide by Zero CMC: 2U Type: Instant Rarity: Uncommon First ability: Return target spell or permanent with mana value one or greater to its owners hand