Since you're working with many "when this creature deals damage to an opponent", you may want to place some double strike effects on them, Assault Strobe or Psychotic Fury if you're going for the early impact, which seems like you are, looking at your deck from mostly a ramp-oriented player's point of view, or high later impact cards, such as Berserkers' Onslaught, Rage Reflection or World at War.Cast Through Time could also be considered, if you're going for the constant multiple targets-hitting, or by just being a good card overall.
Just imagine it being found by someone who doesn't know what it is ("And some things that should not have been forgotten were lost
Your Magic: The Gathering journey begins with a friend beside you
If youre gaining a bunch of it, you kind of want to be paid off for it
Buy singles if Dendra SAR or Meowscarada ex SAR is your only target
"Designing for Izzet"