If, during your declare attackers step, Valley Dasher is tapped or is affected by a spell or ability that says it can’t attack, then it doesn’t attack. If there’s a cost associated with having Valley Dasher attack, you’re not forced to pay that cost, so it doesn’t have to attack in that case either.
20-09-2014
wotc
You still choose which player or planeswalker Valley Dasher attacks.
20-09-2014
wotc
If Valley Dasher enters the battlefield before the combat phase, it will attack that turn if able. If it enters the battlefield after combat, it won’t attack that turn and will usually be available to block on the following turn.
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.
Matt Stewart2014-09-26
