The fact that the First-Place Foil treatment, which includes the gold border, is mentioned for multiple other products in the Aetherdrift lineup lends credence to this assumption
As far as efficiency goes, 3 damage for 1 mana is probably too much, considering Wizards of the Coast has kept it far away from Standard for a number of years
Forcing your opponents into combat can provide a significant advantage: it reduces the collective life totals at the table and temporarily immobilizes potential threats, creating the perfect moment to strike, which is why goad holds an edge over traditional removal in terms of interaction
Creatures (33) 2 Midnight Reaper 3 Tithe Taker 3 Seraph of the Scales 4 Gutterbones 2 Ministrant of Obligation 4 Priest of Forgotten Gods 4 Orzhov Enforcer 4 Knight of the Ebon Legion 3 Murderous Rider 4 Ayara, First of Locthwain Lands (24) Spells (3) 3 Mortify The mana issues meant that if you want to play Ayara alongside another color, that second color needs to be only the lightest of splashes
Conveniently, Lillie's Clefairy EX does Psychic damage, solely via its two-Energy Full Moon Rondo