Lion Sash I love this card in my Heliod, Sun-Crowned cEDH deck, but imagine how gross it would be if it also gained life like Scavenging Ooze
Collectors love Mewtwo VSTAR not just because its Mewtwo (a fan-favorite since Gen 1), but because of the sheer drama and detail of the art
If you don't need Zur to keep swinging you can use some copy enchantments to lock creatures off the board, I think if you used Mirrormade (which I'm pretty sure you should run either way) and Estrid's Invocation, have Estrid's copy Out Of Time, then use Vanishing to protect Zur so you can swing next turn and get Mirrormade, copying the Estrid's Out Of Time, now you can just lock creatures off the board indefinitely, not sure if this is worth it or not, but I think all of the cards are good includes
Seahunter Seahunter is another merfolk support card that works wonders in its intended deck, yet falls flat anywhere else
Once upon a time, English quality was the gold standard, especially when it was published by Wizards of the Coast
Arcee, Sharpshooter does require a counter on it to transform to Arcee, Acrobatic Coupe
