Tatyova, Steward of Tides

Condition: Near Mint
Color: Multi-Color
Card Text: Land creatures you control have flying.
Whenever a land enters the battlefield under your control, it you control seven or more lands, up to one target land you control becomes a 3/3 Elemental creature with haste. It's still a land.
Rarity: U
Cost: GGU
Pow/Tgh: 3/3
Card Type: Legendary Creature - Merfolk Druid
Artist: Howard Lyon
Name: Tatyova, Steward of Tides
Finish: Regular
Card Number: 222/281 
Set Name: Dominaria United