Rush of Dread is a spree spell that increases in value the more mana you sink into it
A deck focused on equipment synergies will be the best home for this artifact as cards like Sigarda's Aid and Puresteel Paladin can bypass the inhibiting cost of playing and equipping this card
Anything else specified in the effect creating the token (such as tapped, attacking, "That token gains haste," or "Exile that token at end of combat") still applies
In a Two-Headed Giant game, life gained by your teammate won't cause Enduring Tenacity's first ability to trigger, even though it caused your team's life total to increase
It might also have been the fact I previously played Pokemon TCG competitively, building stacked out Pokemon with Energy and Tools, and swinging in with them
Presenting FINAL FANTASY card sleeves of Krile Maya Baldesion from FINAL FANTASY XIV