This is critically different from trying to use Veyran to pilot a storm deck that uses it to get extra triggers from effects like Birgi, God of Storytelling and Storm-Kiln Artist, making combo'ing off easier
But let's ignore all of that talk about might and strength and focus instead on which of these cards is the most valuable
Decks from any format (e.g., Standard, Expanded, etc.) can be played, but note that success in the game is based on overall damage output, so you may deal more damage, and thus have more success with newer cards (i.e., Sword and Shield onwards)
Chart shows the price of Summon: Bahamut [Borderless] #356 at the end of each month going back as long as we have tracked the item.
Like imagine if you said that your deck runs a 25 cent Survival of the Fittest, that's how absurd Homing Sliver is
Golos, Tireless Pilgrim