Moxfields deck builder is the cleanest to use, and its on the same screen as the deck view page
How about if they have one creature and are beating your face and you have smite and breaking, do you smite the creature
Sword of Fire and Ice is incredibly efficient, giving the equipped creature +2/+2 and protection from red and blue
Still, its a good card that snowballs out of control if left alone
You play creatures that give benefits when they die, sacrifice them to outlets that provide even more benefits, and sit back as your opponents drown in a sea of value
The most aggressive MTG color combination is now a control deck - built around drawing extra cards each turn and fending off attacks with tiny blockers and removal until the time comes to win the game with a massive Phyrexian or an army of tokens all buffed up by the level 3 ability of Caretaker's Talent