VigilanceVigilance is a static ability that modifies the rules for the declare attackers step.
Attacking doesn’t cause creatures with vigilance to tap. (See rule 508, “Declare Attackers Step.”)
Multiple instances of vigilance on the same creature are redundant. (CR 702.20)
MobilizeMobilize is a triggered ability. “Mobilize N” means “Whenever this creature attacks, create N 1/1 red Warrior creature tokens. Those tokens enter tapped and attacking. Sacrifice them at the beginning of the next end step.” (CR 702.181) X, where X is your devotion to Mardu. (Whenever you attack,
createTo create one or more tokens with certain characteristics, put the specified number of tokens with the specified characteristics onto the battlefield.
If a replacement effect applies to a token being created, that effect applies before considering any continuous effects that will modify the characteristics of that token. If a replacement effect applies to a token entering the battlefield, that effect applies after considering any continuous effects that will modify the characteristics of that token.
Previously, an effect that created tokens instructed a player to “put [those tokens] onto the battlefield.” Cards that were printed with that text have received errata in the Oracle card reference so they now “create” those tokens. (CR 701.7) X tapped and attacking Mardudes (tapped and attacking 1/1 red Warrior creature tokens).
SacrificeTo sacrifice a permanent, its controller moves it from the battlefield directly to its owner’s graveyard. A player can’t sacrifice something that isn’t a permanent, or something that’s a permanent they don’t control. Sacrificing a permanent doesn’t destroy it, so regeneration or other effects that replace destruction can’t affect this action. (CR 701.21) them at the beginning of the next end step. I'm out of room. You remember what devotion does, right? Counts
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