Your three, four or five-cost Commander will drop it by that much, plus mana rocks and equipment like Lightning Greaves in most decks
Preeminent Captain is no Sneak Attack but it can cheat an Eagle of Deliverance, Licia, Sanguine Tribune or Millicent, Restless Revenant from your hand onto the field for free and already attacking
A manifested creature card can be turned face up by paying its mana cost
This is the kind of card that could take cEDH, and even older formats like Legacy and Vintage, by storm
By my Junior year of college, Magic was largely forgotten
or the designer starts running cards that have a historical reputation as "tempo cards" but with no real appreciation for how a tempo strategy should be executed within the context of their respective format