Jace, the Mind Sculptor - Double Masters (2XM) MH2 Ferocious — If you control

Ferocious — If you control a creature with power 4 or greater

with totally new mechanics

{1}{G}{W}{U}: Put Derevi onto the battlefield from the command zone

You can't play lands or cast spells from your hand

As Tibalt enters the battlefield

Jace, the Mind Sculptor - Double Masters (2XM) MH2 Ferocious — If you control[+2]: Look at the top card of target player's library. You may put that card on the bottom of that player's library. [0]: Draw three cards, then put two cards from your hand on top of your library in any order. [1]: Return target creature to its owner's hand. [12]: Exile all cards from target player's library, then that player shuffles their hand into their library.