When this Case enters, conjure four cards named Fblthp, the Lost into your library, then shuffle. Draw a card.
To solve — You control a legendary Homunculus.
Solved — You may look at the top card of your library any time and you may play lands and cast spells from the top of your library.

Each player discards their hand, then conjures a duplicate of each of seven random cards from the library of the player to their right into their hand. The duplicates perpetually gain "Mana of any type can be spent to cast this spell."

Indestructible, haste
At the beginning of combat on your turn, put a +1/+1 counter on Tajic, Legion's Valor. Then conjure a card with mana value equal to the number of +1/+1 counters on it from Tajic, Legion's Valor's spellbook onto the battlefield. It gains haste until end of turn and attacks this combat if able.

Flying
Whenever Roalesk, Prime Specimen or another permanent you control is turned face up, you may pay . If you do, if X is 1 or more, conjure a duplicate of a random creature card with mana value X into your hand. Cloak it. It gains ": Turn this creature face up" for as long as it remains face down.
Disguise

When Perforator Crocodile enters, for each creature your opponents control, conjure a card named Stab Wound onto the battlefield attached to that creature.
Cycling