For a roll of the dice, all even numbers are considered heads while the odd ones are considered tails
Do you print double-faced cards (DFCs/MDFCs)
Unfortunately, Vivien Reid cant destroy any creature like Vraska does, but hopefully your green creatures have the ground locked up while Vivien takes down important flyers like Lyra Dawnbringer or Nicol Bolas, the Ravager
Other sacrifice outlets include spells that require sacrificing creatures as one of their costs (Deadly Dispute should be the first card in any sacrifice deck), as well as cards with an enters ability that cares about sacrificing like God-Eternal Bontu
Official licensed Magic: The Gathering product
Between Lingering Souls tokens, Arbor Elf, and every cheap removal spell, this power-creeped creature will underperform in this format