Colossus of Akros [Theros] Cockatrice then target player mills a

then target player mills a card

Enchanted creature is a Treefolk with base power and toughness 0/4 and loses all abilities

Set: Journey into Nyx Prerelease Promos Type: Creature — Kraken Rarity: Rare Cost: {5}{U}{U} When Scourge of Fleets enters the battlefield

but I say the best way is all smashed together between two slug chips

Set: Aether Revolt Type: Enchantment Rarity: Rare Cost: {3}{W}{W} When Consulate Crackdown enters the battlefield

Colossus of Akros [Theros] Cockatrice then target player mills aSet: Theros Type: Artifact Creature Golem Rarity: Rare Cost: {8} Defender, indestructible {10}: Monstrosity 10. (If this creature isn't monstrous, put ten +1 +1 counters on it and it becomes monstrous.) As long as Colossus of Akros is monstrous, it has trample and can attack as though it didn't have defender.