For every 10 cards in their trash, add 1 to the number this effect trashes
Add in Treasure and other ways of stockpiling and generating mana in these colors, and Rowan, Scion of War will be able to facilitate huge, explosive plays with relative ease
Two artifacts, Heirloom Blade and the Sword of Hours, boost the controlled creatures
If it's for RBI, he has Scrap Death Archfiend, so it's for Burn, but the Burn effect isn't bad, but it depends on the opponent and can be easily adjusted, so you can't expect high damage
Monocolor decks can potentially generate a lot of mana to feed into it through mana doublers, but then theres the worry of having to lose that much life as well
First-Player Advantage Mitigation: The player going first does not receive Energy from the Energy Zone on their first turn, but can play a Supporter