Hussar Patrol

The honest job here is ambush blocker that never has to choose. Flash on a 2/4 means it materializes during your opponent's attack step to trade up or wall a swing they committed to, and vigilance means the body that just held the ground is still untapped to push back on your own turn. Most defensive bodies pay for their toughness by sitting still; this one collects the flash premium and the vigilance premium together, so the same creature blocks on their turn and attacks on yours without ever being where the opponent wants it. The cost is the rate: four mana for a 2/4 is steep when measured against the curve, and the keywords are paying for tempo flexibility rather than raw stats. That is the trade these Azorius two-color commons are built to offer, a defensive shell that refuses to be played around, where the value is entirely in choosing the moment of arrival rather than in the numbers on the card.