Pack Rat [Secret Lair Drop Series] SM152 Whenever another nontoken Dragon enters

Whenever another nontoken Dragon enters the battlefield under your control

Set: Legends Type: Legendary Creature — Human Wizard Rarity: Rare Cost: {3}{U}{B} {X}

Set: Black & White: Next Destinies Type: Fire Rarity: Secret Rare Retreat cost: Colorless

{U}: Enchanted creature gains flying until end of turn

Set: POP Series 9 Type: Lightning Rarity: Rare Retreat cost: Colorless

Pack Rat [Secret Lair Drop Series] SM152 Whenever another nontoken Dragon entersSet: Secret Lair Drop Series Type: Creature Rat Rarity: Rare Cost: {1}{B} Pack Rat's power and toughness are each equal to the number of Rats you control. {2}{B}, Discard a card: Create a token that's a copy of Pack Rat. A procession of gifts with no end in sight.