Dragons is a great choice if you like tuning decks, but you'll probably want to look elsewhere if you are looking for broad cards that can send you in a bunch of different directions
Some are a surefire hit due to being leads in their respective decks
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If you have another creature with power two or less with an enter ability you want looping, Reveillark's ability allows it to return up to two creatures
Buried Alive, for example, can put creatures like Anger, Anathemancer, or Stinkweed Imp into your graveyard to give your creatures haste, deal damage to a greedy manabase, or prepare a consistent way to fill your graveyard
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