Yes, that is also the main disadvantage to getting card advantage through drawing cards and yes, discard is also weakened by diminishing returns which card draw isn't, I am not comparing discard to card draw as a way towards card advantage, just stating the facts about cards in isolation
Its dangerous to build an entire deck around the minor power boost of this and Sky Theater Strix, but its a fine blocker than can help smooth your draws in the midgame
Teach #ST03-014 CGC 9 MINT $49
These cards debuted earlier in the 2018 versions of the Solgaleo GX (SM104) and Lunala GX (SM103) boxes
Credit: Wizards of the Coast Saheeli, Filigree Master BPhillipYork: I like these new, easier-to-obtain, but less swingy emblems
It teaches resource management, keeps you in the fight, and is one of the smartest purchase choices for a long-term deck