The Grand Illusion (with Styx)

Flying Discard a card: Return this creature to its owner's hand.

Change the text of target spell or permanent by replacing all instances of one creature type with another. The new creature type can't be Wall. (This effect lasts indefinitely.)

Creatures don't untap during their controllers' untap steps. Whenever a creature enters, untap all creatures.

All lands are 1/1 creatures that are still lands.

Whenever you cast a Druid spell, you may draw a card. Tap seven untapped Druids you control: Gain control of all lands target player controls.

Enchant player If a card would be put into enchanted player's graveyard from anywhere, instead that card is revealed and put on the bottom of that player's library.