When Keeper of Keys enters the battlefield, you become the monarch.
At the beginning of your upkeep, if you're the monarch, creatures you control can't be blocked this turn.

• Number: 34
• Rarity: R
• Power: 4
• Toughness: 4
• Type: Creature
• Subtype: Human Rogue Mutant
• Mana cost: 3UU
• Color: Blue
• Artist: Bastien L. Deharme