As for why Greasefang isnt popular in Standard, well, she dies to a LOT of things, and BRO Standard is filled with very easy, very cheap removal that many other formats dont often run as plentifully, but the reality is that there arent a ton of viable good Vehicles for her to reanimate
Snapcaster Mage Snapcaster Mage Artist's Proof card with white back Edition of 50 Signed on front in gold Sharpie, numbered on back Shipped in Ultra Pro 3" X 4" Toploader Available in non-foil and foil with a black and white or colour pencil sketch on the back Leave note during checkout if you'd like a specific sketch request No more than one card per person, any more and the order will be cancelled and refunded All orders are posted at the end of each month, APs with sketches may take a while longer, please be patient, thank you
Nethergoyf is understandably missing because it is a Mythic Rare in the main set, but if prices fall (and they should), that might be a good time to pick up a copy since Nethergoyf is the spiritual successor to Tarmogoyf and enjoy clear advantages
Think of it this way: If you have to physically move a die to represent counters on a permanent changing, it counts as putting counters on that card
Otherwise, search your library for the indicated card, reveal it, put it into your hand, then shuffle
If memory serves, Sun Titan was the first one previewed and the internet went nuts