You could play a Malboro , sacrifice it, and bring it back again for an additional loss of life/exiling cards off their deck, as an example
Reads well for Standard constructed
When you cast it, you get to gain control of a creature in play and then turn it into a 10/10, give it trample, annihilator 2 and haste until the end of the turn
Its important to check the individual policy for each event beforehand, as these guidelines can vary significantly depending on the nature of the event
Self-Reflection makes a token of your dorks and then flashes back for less
Last months MagicCon Philadelphia played host to a bevy of panels, but perhaps none more anticipated than the First Look at this Springs new expansion, March of the Machine