Even squirrels were once considered too silly fun black-boarder and confined to an Un-existence
That first ability is extremely strong and can absolutely hamstring a player for turn after turn
I also want to point out something important: this spell is an instant , as opposed to most red damage based wipes
Starting with Dominaria back in 2018 and the release of sagas, the one-drop has been bought out and seen a massive price spike five or six times, although after a few weeks it trends back down, but never all the way back to its pre-buyout low
You still need creatures on the battlefield to make the most of the dragon's ability, but it won't hurt to create a massive dragon and keep beating
The only way Elbrus, the Binding Blade could be playable is if someone stapled a massive 13/13 Demon to the back of it that had flying, intimidate, and trample, and doubled in size when a player lost the game