Simic Ascendancy [Ravnica Allegiance Prerelease Promos] Human Druid Ally also create X 4/4 white

also create X 4/4 white Angel creature tokens with flying and vigilance

it's sacrificed when it enters the battlefield

It has "Sacrifice this creature: Add {C}

humans adapted to the water

Simic Ascendancy [Ravnica Allegiance Prerelease Promos] Human Druid Ally also create X 4/4 whiteSet: Ravnica Allegiance Prerelease Promos Type: Enchantment Rarity: Rare Cost: {G}{U} {1}{G}{U}: Put a +1 +1 counter on target creature you control. Whenever one or more +1 +1 counters are put on a creature you control, put that many growth counters on Simic Ascendancy. At the beginning of your upkeep, if Simic Ascendancy has twenty or more growth counters on it, you win the game.