Phoenix's [X] Run it Back is the best entry-frag ability in the game. When you know where the enemy is and want to make a play, pop it and look to make at least a 1-for-1 trade.
Before peeking a dangerous sight line, prep your entry with a [Q] Curveball to briefly blind opponents so you get an easy first shot.
[E] Hot Hands also doubles as a heal for yourself. If you find yourself low after a fight, throw it at your feet to heal. The same is true for [C] Blaze.
EQUIP a flame wall. FIRE to create a line of flame that moves forward, creating a wall of fire that blocks vision and damages players passing through it. HOLD FIRE to bend the wall in the direction of your crosshair.