Echo means "At the beginning of your upkeep, if this permanent came under your control since the beginning of your last upkeep, sacrifice it unless you pay [cost]." With Old Fogey, there's no cost listed because in ye olden days it was just the mana cost
It becomes plotted." (4/12/2024) Exiling a card using its plot ability is a special action
Norman Osborn / Green Goblin Cut card: Damocles Base, Sword of Kang Norman Osborn from the Spider-Man set is a perfect fit, giving us an unblockable conniver who later on lets us cast cards from our graveyard for cheap as we discard them
What you want to focus on is that draw trigger: Cast Duskana, draw a bunch of cards, then play more Hare Apparent
The great thing about Flairs is that they are obtained from extra copies of your cards, meaning that your dupes do serve a purpose
The EtB effect entirely makes up for the fact that Atarka has no defensive capabilities once attacking and also the potential for a large number of the spot and mass removal cards to take him down