That kind of redundancy among combo cards is a boon for any deck, but its not even that easy to take those individual pieces out, as anyone who has played against Cat Oven combo in Constructed will tell you
When I see Edgar across the table, I just know I'm not ever going to be able to keep their battlefield clear
excavate the top 3 cards of your Deck, and if you do, you can add 1 excavated "Sky Striker" card to your hand, also shuffle the rest into the Deck, then, if you excavated a "Sky Striker" card, send the targeted card to the GY
These worthy cards include Actual Counterspell, Upheaval, Vendilion Clique, Remand, Consecrated Sphinx, Arcane Denial, Fact or Fiction, Trinket Mage, Frantic Search, Force Spike, Tezzeret, the Seeker, Spell Pierce, Grand Architect and so on and so on
Raiden, especially in tandem with one of the aforementioned Spells, suddenly gave Lightsworn an explosive early game that could overwhelm slower decks before they had a chance to properly set up
If you activate this card's 1st effect, you must trash at least 1 card