If the result of the roll is 11-20, the original spell or ability sees the result of the flip as heads
The biggest issue, drawing from various social media comments, is that this range of power levels is far too wide: The 10 scale is both way too big (seriously, what EVEN is a 1-2 deck, a pile of random cards?) and not nuanced enough (what exactly is the difference between a 6 and 7 deck?) rccrisp Powerlevels are subjective and these numbers are absolutely meaningless without context
Extra Attacks Extra attacks are another way to better leverage Guiles ability to accumulate charge counters, especially since the lifelink and indestructible from Flash Kick lasts until end of turn
What about all the green cards from Kaladesh block like the once banned Attune with Aether or black for Chthonian Nightmare
Especially in the Commander format, blink-focused strategies helmed by commanders like Brago, King Eternal are remarkably popular and powerful