Roy, Blazing Lion

When Roy, Blazing Lion battles a Dragon,
he gets +3/+0 until end of turn.
Double the effect of all Hero Creature's power/toughness abilities.
Ex. +2/-1 becomes +4/-2
Inherit: When this card attacks, flip 2 coins, if
both are heads, you may have a second battle
phase. Untap all creatures you control.