Untap Endbringer during each other player’s untap step. : Endbringer deals 1 damage to any target. , : Target creature can’t attack or block this turn. , : Draw a card.
Endbringer untaps at the same time as the active player's permanents. You can't choose to not untap it at that time.
22-01-2016
wotc
Activating the second activated ability after a creature has legally been declared as an attacker or blocker won't change or undo that attack or block.
22-01-2016
wotc
If an effect states that Endbringer doesn't untap during your untap step, that effect won't apply during another player's untap step.
Random a card of Magic: The Gathering (MTG), but you can also roll the D20 dice, random a Planeswalker, have fun with the random rules and more.