At the beginning of your upkeep or whenever you cast a red spell, put a charge counter on Shrine of Burning Rage.
, , Sacrifice Shrine of Burning Rage: It deals damage equal to the number of charge counters on it to any target.
Battle cry (Whenever this creature attacks, each other attacking creature gets +1/+0 until end of turn.)
Signal Pest can't be blocked except by creatures with flying or reach.
When Sylvan Ranger enters the battlefield, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle your library.