You cannot Special Summon from the Extra Deck the turn you activate this effect, except Dragon Xyz Monsters
If another face-up Xyz Monster(s) you control is destroyed by battle or card effect: You can target 1 face-up Xyz Monster you control
Cards from the Mega Evolution sets have seen increasing interest due to nostalgia and limited pull rates
While the attack is expensive originally, and will force players to discard energy from Kyurem, this Pokmons static ability has a way to make up for that
Supplanted by other soldier commanders in recent years, Captain Sisay lives on in Cube and in cEDH builds which use them to tutor up infinite mana, stax pieces, or the nightmarish lock of Living Plane and Linvala, Keeper of Silence
Last is Windgraces ultimate ability, which costs 11 loyalty counters and destroys any six nonland permanents as well as supplying you with six forestwalking 2/2 tokens