A creature you control is attacking alone if it's the only creature that's currently attacking (including creatures controlled by your teammates, if applicable) and you control it
Another photo shared by Kevin Bernard on Facebook shows a more abundant supply, and this Walmart location is in New Glasgow, Nova Scotia, Canada
Today Id like to try an experiment and just stick to blue and red, and see if we cant make an Izzet Giants deck that doesnt try to hard to play a ton of Giants, and just relies on the fact that Glimpse the Cosmos, Invasion of the Giants, and Battle of Frost and Fire are all fine even if you dont draw any Giants (not to mention all three helping you find whichever ones you do play)
He was known for his motivational speeches after all
The cards exiled this way can be cast as long as theyre in exile, so even if Ixhel gets destroyed or removed from the battlefield, those cards are yours.