Oh yeah I'm also a fan of Blasphemous Act as a sideboard option over the 3dmg sweeps because it will LEVEL some of the scarier aggro threats like Abhorrent Oculus Quantum Riddler Psychic Frog Guide of Souls Kappa Cannoneer and Phlage, Titan of Fire's Fury where anger/bhood's simply just doesn't cut it
The Jolly Balloon Man lets you play Boros as a more midrange strategy focusing on Enters-the-Battlefield effects, by introducing a Kiki-Jiki type Commander that can make token copies of your creatures
Topaz Dragon ( F, DT, PF ) - A 5 mana 4/4 deathtoucher, with a 2 mana mass-deathtouch adventure stapled to it
Aethersquall Ancient: [Category 3] ETB yield is 3 Energy for 7 mana, then you can spend 8 Energy to return all other creatures to hand
These effects combine into a potent cocktail of card and mana advantage, letting you quickly overwhelm your opponents with kitted-out Knights
It doesnt matter why the last time counter was removed or what effect removed it