Sliver Queen (Oversized) [Commander's Arsenal Oversized] Halfling Scout Mentor (Whenever this creature attacks

Mentor (Whenever this creature attacks

Set: EX: Unseen Forces Type: Psychic Rarity: Holo Rare Retreat cost: Colorless

Whenever a creature enters the battlefield under an opponent's control

you may pay 0 rather than pay the mana cost for a spell you cast with converted mana cost X or less

Set: Unknown Event Type: Legendary Creature — Azra Wizard Rarity: Common When CARDNAME enters the battlefield

Sliver Queen (Oversized) [Commander's Arsenal Oversized] Halfling Scout Mentor (Whenever this creature attacksSet: Commander's Arsenal Oversized Type: Legendary Creature Sliver Rarity: Rare Cost: {W}{U}{B}{R}{G} {2}: Create a 1 1 colorless Sliver creature token. Her children are ever part of her.