Sure, Grief can be highly impactful but you need to build around it
Everywhere her gaze lands there is something to tantalize it: a castle assailed on all sides by gilded oaks
DEF 2500 If this card is in your hand or GY: You can send 1 "Queen's Knight", "King's Knight", and "Jack's Knight" from your hand and/or face-up Monster Zone to the GY
The first ability costs three mana and turns a permanent into an Artifact, which is fun, but often not great on its own
She goes infinite with basically any persist creatures, and a number of other things
During the Main Phase, if you control a "Traptrix" monster (Quick Effect): You can Special Summon this card from your hand, also you cannot Special Summon monsters from the Extra Deck for the rest of this turn, except Insect or Plant monsters