Gyruda, Doom of Depths

Gigan, Cyberclaw Terror (Gyruda, Doom of Depths)

Legendary Creature - Demon Kraken | Power/Toughness: 6 / 6 (CMC 6)
Companion -- Your starting deck contains only cards with even mana values. (If this card is your chosen companion, you may put it into your hand from outside the game for as a sorcery.)
When Gyruda enters the battlefield, each player mills four cards. Put a creature card with an even mana value from among the milled cards onto the battlefield under your control.