So far we've seen a Scar made from lava, a Hades that rules atop Mount Olympus, and a giant Tinker Bell three-stories tall
Having that ability is one of the most useful ones in the game as it gives you the ability to get these powerful cards down even earlier and give you an advantage over your opponent
If the player can give Aragorn, King of Gondor haste with cards like Lightning Greaves, they can simply flicker him with various white or blue cards like Cloudshift and get the monarchy exactly when they need it to launch their game-winning attack
If you bias towards big creatures worthy of reanimation, Cruelclaw can become a double enabler, casting battlecruisers for free or discarding them to Reanimate later
Each token you create has double strike with Neyali, Suns' Vanguard on the field, so theyre much more effective for attacking and blocking