Donal, Herald of Wings Blue has some of the best flying creatures in the game, and Donal, Herald of Wings gives you a copy of any of them
Four mana
Notably, Grimlock "becomes" his other form rather than using the existing "transform" keyword, per ongoing Hasbro efforts to protect their trademark
This card doesnt have a great home in Constructed, especially given that it was never printed in a Modern legal set, but that doesnt take away from the fact that it can heavily swing a game in your favor
In fact it's been so popular that - looking at how the card's value has changed on MTG Goldfish -we're slightly surprised to see it dip so much in the past few months before this spike, going from about $4 to just over $1 between mid-May and late July
The first time I cast Thassas Oracle, it felt like everyone gave an exasperated Thoracle in unison