Trail of Crumbs has been used in competitive formats to grind players into dust
Where this saga falls short is its final ability: If you dont play that tutored creature immediately on that second turn, itll miss the triggered ability from the third chapter
In fact, decks like Dredge have even used Thoughtseize as an answer to an opponents hate cards

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A completely normal curve is Turn 2 Lucky Clover, Turn 3 Adventure spell (either Bonecrusher Giant or Murderous Rider), and at that point your Clover is already paid for
Good for them