Thats where the Pokemon Company, I suspect, makes some profit out of this
You can use it to report your progress to your parents, enter important information about your studies, and other details
Delirium is making a comeback, and there are plenty of cards that pay you off for having four or more card types in your graveyard
Drake Hatcher can easily be pumped with cards like Monstrous Rage and produce a drake token right away
This will put them back into your hand immediately
You can also try to create synergies within your own deck, whether it be with Deaths Shadow as mentioned above, or my personal favourite in Legacy of casting it at your opponents end step and then cast an Uro, Titan of Natures Wrath a three-mana 6/6 creature