The mechanic is neat since it lets you take older cards with those creature types, and unite them together in a new deck under the new mechanic, which is an interesting way to keep older cards relevant as Magic continues to grow
The Sentry, Golden Guardian 75%inclusion 880 decks 1.18K decks Willie Lumpkin, Postman 66%inclusion 444 decks 669 decks King T'Challa 37%inclusion 430 decks 1.17K decks Storm, Windrider 32%inclusion 178 decks 563 decks Captain America, Living Legend 14%inclusion 165 decks 1.15K decks Top Commanders Y'shtola, Night's Blessed 49%inclusion 23.2K decks 47.5K decks Queen Marchesa 62%inclusion 11.7K decks 18.8K decks Oloro, Ageless Ascetic 55%inclusion 11.7K decks 21.3K decks Grand Arbiter Augustin IV 72%inclusion 9.63K decks 13.3K decks Ms
In terms of interaction with other cards, there is interaction due to the number or ordering of abilities on an object
There are worse 5-drops to play, so it might be worth running Ultimecia on the off chance you can pay the cost, but I dont think Id go out of my way to pick it in a draft
He also acts as a dual-level threat with punishing attack strength and tank-like defense
