Emberwilde Captain deters incoming attacks by dealing damage to an attacking opponent equal to the number of cards in their hand, so long as youre still the monarch
Producing mana, attacking, and activating certain abilities require tapping a card, turning it sideways to indicate it has been used
This special action doesnt use the stack, and it cant be responded to, but it may only be done at sorcery speed that's to say, whenever you have priority during one of your main phases while the stack is empty
If youre looking to build a deck thatll send shivers down your opponents spine, or just devour anything they throw at you, an army of the living dead is the way to go
The counter spells, flicker effects, and untapped mana serve as excellent rattlesnakes that tend to keep this deck in the game all the way to the very end