Glissa's Courier

Mountainwalk (This creature can't be blocked as long as defending player controls a Mountain.)

River Boa

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)
{G}: Regenerate River Boa.

Zodiac Rooster

Plainswalk (This creature can't be blocked as long as defending player controls a Plains.)

Graceful Antelope

Plainswalk (This creature can't be blocked as long as defending player controls a Plains.)
Whenever Graceful Antelope deals combat damage to a player, you may have target land become a Plains until Graceful Antelope leaves the battlefield.

Stalker Hag

Swampwalk, forestwalk (This creature can't be blocked as long as defending player controls a Swamp or a Forest.)

Forest

Giant Growth

Target creature gets +3/+3 until end of turn.

Warthog

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

Lumbering Satyr

All creatures have forestwalk. (They can't be blocked as long as defending player controls a Forest.)

Plains

Cold-Eyed Selkie

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)
Whenever Cold-Eyed Selkie deals combat damage to a player, you may draw that many cards.