
ReachReachCan block creatures with flying., vigilancevigilanceAttacking doesn't cause this creature to tap., menacemenaceCan't be blocked except by two or more creatures., trampletrampleExcess combat damage it deals to a blocker carries over to the player or planeswalker it's attacking., hastehasteCan attack and use tap abilities the turn it comes under your control.
When Ragnarok diesdiesA creature dies when it goes from the battlefield to a graveyard. Being exiled or returned to hand is not dying., destroy target permanent and return target nonlegendary permanent card from your graveyard to the battlefield.
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Read from the rules text. A card that enables a keyword makes or is the thing; a card that rewards it gets better when you have it. Two cards interact when one enables what the other rewards.