If you want to play things a little more defensively, you can give your creatures vigilance with Heliod, God of the Sun (and potentially create more attackers) or Serras Blessing
Each of these mass bounce spells will bounce loads of stuff, not just attackers, but hit your own stuff as well
If a creature enchanted with an Aura that has umbra armor would be destroyed by multiple state-based actions at the same time (most likely because a creature with deathtouch has dealt damage to that creature greater than or equal to its toughness), umbra armor's effect will replace all of them and save the creature
Summary Cards from Pioneer Masters are best suited for Historic formats, not Standard, with strong options for Brawl and Explorer
Faerun fancies: Adventures in the Forgotten Realms spoilers On that power question, my money is on 'no', incidentally - but the card is sure to see a lot of play nonetheless
Sunspine Lynx This four-mana Cat from Bloomburrow is next