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) (Attacking doesn't cause this creature to
tapTo tap a permanent, turn it sideways from an upright position. Only untapped permanents can be tapped. (CR 701.26).)
Power-upPower-up is a keyword that adds additional rules to the activated ability that follows it. “Power-up — [Cost]: [Effect]” means “[Cost]: [Effect]. If this permanent entered this turn, this ability’s cost is reduced by this permanent’s mana cost. Activate this ability only once.”
Generic mana in the permanent’s mana cost reduces generic mana in the cost to activate its power-up ability. Colored and colorless mana in the permanent’s mana cost reduces mana of the same type, and any excess reduces that much generic mana. (See rule 118.7.) (CR 702.193) —
: Put three +1/+1
countersTo counter a spell or ability is to cancel it: remove it from the stack without resolving it. A counter on an object or player is instead a marker that changes characteristics or interacts with rules or abilities; for example, a +1/+1 counter modifies a creature’s power and toughness. (CR 701.6; 122.1) on this creature. Then draw a card for each creature you control with a
counterTo counter a spell or ability is to cancel it: remove it from the stack without resolving it. A counter on an object or player is instead a marker that changes characteristics or interacts with rules or abilities; for example, a +1/+1 counter modifies a creature’s power and toughness. (CR 701.6; 122.1) on it. (
ActivateTo activate an activated ability is to put it onto the stack and pay its costs, so that it will eventually resolve and have its effect. Only an object’s controller (or its owner, if it doesn’t have a controller) can activate its activated ability unless the object specifically says otherwise. A player may activate an ability if they have priority. See rule 602, “Activating Activated Abilities.” (CR 701.2) each
power-upPower-up is a keyword that adds additional rules to the activated ability that follows it. “Power-up — [Cost]: [Effect]” means “[Cost]: [Effect]. If this permanent entered this turn, this ability’s cost is reduced by this permanent’s mana cost. Activate this ability only once.”
Generic mana in the permanent’s mana cost reduces generic mana in the cost to activate its power-up ability. Colored and colorless mana in the permanent’s mana cost reduces mana of the same type, and any excess reduces that much generic mana. (See rule 118.7.) (CR 702.193) ability only once. Reduce the cost by its mana cost if it entered this turn.)