Grid Monitor [Mirrodin] Oath of the Gatewatch Prerelease Promos as it includes many cards

as it includes many cards that build on themes found in previous decks

then return those cards to the battlefield under their owner's control

Set: Mystery Booster Type: Artifact Rarity: Mythic Cost: {0} At the beginning of your upkeep

create two 2/2 white and blue Knight creature tokens with vigilance

Set: Unknown Event Type: Creature — Phyrexian Rarity: Common Cost: {3}{R}{R} Oildying (When this creature dies

Grid Monitor [Mirrodin] Oath of the Gatewatch Prerelease Promos as it includes many cardsSet: Mirrodin Type: Artifact Creature Construct Rarity: Rare Cost: {4} You can't cast creature spells. The vedalken protect the Knowledge Pool at any cost.