Decklists are not card-for-card product displays but instead interactive lists of the cards included in each deck.) Jump Scare
They instead reward winners with valuable prize cards, electronics, and a trophy
But that doesnt have any new cards in it, so Im going to rule myself correct on a technicality and move on
If there's a cost associated with having it attack, its controller isn't forced to pay that cost
The goal for Echo of Eons is to put it straight into the garbage can, preferably with Lion's Eye Diamond, then casting it with the mana produced by the Diamond
You'll have all the card draw you could need, and be able to pump up a flier with +1/+1 counters to make a potent, evasive threat