Tatyana, Count's Cursed Love

When Tatyana, Count's Cursed Loved enters the battlefield, choose one:
• Creature: Tatyana enters as a Human Noble
creature with "{t} sacrifice: Create {x} 1/1 spirit creature tokens with flying, with {x} being equal
to Tatyana's toughness."
• Enchantment: Tatyana enters as a Curse enchantment with "Enchant Player: Legendary creatures enchanted player controls have 'Cumulative upkeep: {1}"