While you dont want to help your opponents, you can make sure to stay ahead by having a five-cost character sing the card for free, leaving your ink open to cast those new cards you just drew.
Straight up killing a creature on entering is perfect for that
But what does glimmer actually mean
Card Name Mana Cost Type Legendary Creature Human Pilot Rarity Rare rules Text When Sazh Katzroy enters, you may search your library for a Bird or basic land card, reveal it, put it into your hand, then shuffle.Whenever Sazh Katzroy attacks, put a +1/+1 counter on target creature, then double the number of +1/+1 counters on that creature
It can also be used to increase Support in a combo deck
Arthur is an incredibly powerful card that allows you to earn lore with your weak questers like Lilo, Making a Wish and Pinnochio, Star Attraction, then bounce them back to your hand to keep them safe from challenges - while also rewarding you with two lore for doing it