Regal Sliver (Extended Art) [Commander Masters] Rat Noble Whenever another creature with power

Whenever another creature with power 4 or greater enters the battlefield under your control

{1}{B}: Masterful Ninja gets +1/+1 until end of turn

A blue box called a TARDIS

Set: Zendikar Rising Type: Creature — Vampire Cleric Rarity: Rare Cost: {1}{B} Kicker {3}{B}

Descend 8 — At the beginning of your upkeep

Regal Sliver (Extended Art) [Commander Masters] Rat Noble Whenever another creature with powerSet: Commander Masters Type: Creature Sliver Rarity: Rare Cost: {3}{W} Sliver creatures you control have When this creature enters the battlefield, Slivers you control get +1 +1 until end of turn if you're the monarch. Otherwise, you become the monarch.