WotC correctly determined that annihilator is about as fun as a stubbed toe, so Ulamog 2.0 dropped the mechanic altogether in favor of exiling 20 cards on attacks
A massive blue enchantment, this card makes each player feel like an ancient wizard of incredible power and forces them to have just about as much fun as possible with their instants and sorceries
Pheonix Fleet Airship Phoenix Fleet Airship requires more involved synergy than other entries artifact token generators because you need a robust sacrifice engine to make it run

Creatures (22) 1 Nissa, Vastwood Seer 1 Kalitas, Traitor of Ghet 4 Reality Smasher 4 Sylvan Advocate 4 Thought-Knot Seer 4 Deathcap Cultivator 4 Tireless Tracker Lands (25) Spells (13) Creatures (24) 4 Knight of the White Orchid 4 Eldrazi Displacer 4 Reality Smasher 4 Thought-Knot Seer 4 Hedron Crawler 4 Archangel Avacyn Planeswalkers (2) Lands (26) Spells (8) Creatures (28) 4 Whirler Rogue 4 Eldrazi Skyspawner 2 Ruination Guide 4 Eldrazi Mimic 4 Reality Smasher 3 Thought-Knot Seer 3 Matter Reshaper 4 Dimensional Infiltrator Lands (25) Spells (7) Creatures (27) 3 Pia and Kiran Nalaar 4 Hangarback Walker 4 Thopter Engineer 4 Vile Aggregate 1 Eldrazi Obligator 4 Reality Smasher 3 Thought-Knot Seer 4 Hedron Crawler Planeswalkers (4) Lands (25) Spells (5) These decks were all kind of normal and didnt particularly excite me
I'd say definitely playable, and reanimating a big guy t4 and then copying it t5 by embalming the vizier feels reeeeaaaaally good
(Most tokens don't have a mana cost unless they're copying something else.) If the copied token is copying something else, then the new token enters the battlefield as whatever that token copied