Gaea's Cradle taps for 1 green mana for each creature you control, which is why it shows up in Commander creature piles and Legacy Elves-style decks that flood the board
This can make it exciting to choose which TCG Pocket pack to open first, since each version has the chance to draw exclusive cards
Their best and most effective mechanic is energy manipulation, which could pose a serious problem for many opponents
Because Toon World only destroys toon monsters when it itself is destroyed, some players will opt to play Giant Trunade to return it to their hand and protect their threats
without the creature, its not guaranteed to replace itself, but with cards like Vizier, if the creature dies, so too does the card draw engine
You can only use this effect of "Ghostrick Jiangshi" once per turn.