Grave Betrayal [Return to Ravnica] Theros Prerelease Promos you may cast that card

you may cast that card and you may spend mana as though it were mana of any color to cast that spell

Phantom Nantuko enters the battlefield with two +1/+1 counters on it

only transformed

Set: Return to Ravnica Type: Creature — Rat Rarity: Rare Cost: {1}{B} Pack Rat's power and toughness are each equal to the number of Rats you control

" —Tolarian renegade

Grave Betrayal [Return to Ravnica] Theros Prerelease Promos you may cast that cardSet: Return to Ravnica Type: Enchantment Rarity: Rare Cost: {5}{B}{B} Whenever a creature you don't control dies, return it to the battlefield under your control with an additional +1 +1 counter on it at the beginning of the next end step. That creature is a black Zombie in addition to its other colors and types.