"Dimitar" (11)
Put a flood counter on target land. That land is an Island in addition to its other types for as long as it has a flood counter on it. If you control a Merfolk, draw a card.
: Add .
, , Sacrifice Field of Ruin: Destroy target nonbasic land an opponent controls. Each player searches their library for a basic land card, puts it onto the battlefield, then shuffles.
As Pillar of Origins enters, choose a creature type.
: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type.
Exile all attacking creatures target player controls. That player may search their library for that many basic land cards, put those cards onto the battlefield tapped, then shuffle.
Sunpetal Grove enters tapped unless you control a Forest or a Plains.
: Add or .
As Unclaimed Territory enters, choose a creature type.
Gatherer works better in the Companion app!