Ideally, this card would be your precombat play to try and end the game, but it can also work just as well as a last-moment advantage shift on defense
We checked.) Creature - Shaman Donkey Color tag templates(None) Gladecover Scout Hexproof (This creature can't be the target of spells or abilities your opponents control.) Creature - Elf Scout Color tag templates(None) Goldberry, River-Daughter : Move a counter of each kind not on Goldberry from another target permanent you control onto Goldberry
So, if your opponent would knock out one of your Pokemon on the next Move, now they might be short of the firepower needed
When a "Ghostrick" monster is destroyed by an opponent's card effect, or by battle with their attacking monster, and sent to your Graveyard: You can Special Summon this card from your hand in face-down Defense Position, and if you do, draw 1 card
This ability is pretty medium these days, as you can't use it until late, and oftentimes you'd rather be using your mana on something else