If your Extremely Slow Zombie faces an opponent's creature with no strike abilities, the opponent's creature will deal combat damage first (when most creatures deal combat damage)
Let the flames burn within you
But beware removal because The Ur-Dragon is always one of the biggest targets at the table
I intend to give them to my own son when he's old enough and if he's interested." However, he's also relieved his nephew didn't start playing around with some of the other cards in his collection

Cranial Extraction Is an Arcane spell Choose a nonland card name and search target players graveyard, hand, and library for all cards with that name and exile them Then that player shuffles Lost Legacy Choose a nonartifact, nonland card name and search target players graveyard, hand, and library for any number of cards with that name and exile them That player shuffles, then draws a card for each card exiled from their hand this way Memoricide Choose a nonland card name and search target players graveyard, hand, and library for any number of cards with that name and exile them Then that player shuffles Necromentia Choose a card name other than a basic land card name and search target opponents graveyard, hand, and library for any number of cards with that name and exile them That player shuffles, then creates a 2/2 black Zombie creature token for each card exiled from their hand this way Achieve Black Enchantment Removal by Teaming Up Playing in black, you have the ability to use a few cards to allow an opponent and yourself to search for a card from your libraries

If you optimize for cEDH and Commander brackets 4 or 5, it is hard to do better than this Double Masters 2022 prize card