Dalakos, Crafter of Wonders
Legendary Creature — Merfolk Artificer
: Add 
. Spend this mana only to cast artifact spells or activate abilities of artifacts.
Equipped creatures you control have flying and haste.
Ryan Pancoast
Magic Online Promos (PRM)
• #79939Rulings
You can’t spend mana generated by Dalakos’s first ability to activate abilities of artifact cards that aren’t on the battlefield or to pay costs in triggered abilities of artifacts.
(wotc • 2020-01-24)
An equipped creature is one with one or more Equipment attached. A creature that’s also an Equipment isn’t an equipped creature.
(wotc • 2020-01-24)
Rulings
You can’t spend mana generated by Dalakos’s first ability to activate abilities of artifact cards that aren’t on the battlefield or to pay costs in triggered abilities of artifacts.
(wotc • 2020-01-24)
An equipped creature is one with one or more Equipment attached. A creature that’s also an Equipment isn’t an equipped creature.
(wotc • 2020-01-24)