White/X Soldiers seems like it has a critical mass of cards now, with Thalia, Brutal Cathar, Valiant Veteran, Siege Veteran, Guardian of New Benalia, Sungold Sentinel and Recruitment Officer in the format
Thraximundar An utter classic, Thraximundar often finds itself at the helm of wildly aggressive sacrifice decks that lean on Thraximundar as a vital piece of pressure
Its even a rare, if roundabout, source of white land ramp
On top of that, whatever creature you equip with Lion Sash gets +1/+1 for each of those counters
2 Michelangelo, Improviser Legendary Creature Michelangelo, Improviser is a four-mana legendary creature that can sneak for the same cost, and when it deals damage to an opponent, you can put a creature and/or land card from your hand onto the battlefield