[deck=Mutate but wooo!]
Creature
1 Mysterious Egg
2 Cold-Eyed Selkie
2 Blighted Agent
4 Pollywog Symbiote
4 Dreamtail Heron
4 Migratory Greathorn
4 Chittering Harvester
4 Pouncing Shoreshark
4 Cavern Whisperer
1 Brokkos, Apex of Forever
1 Sawtusk Demolisher

Land
3 Forest
4 Swamp
2 Temple of Mystery
2 Dismal Backwater
2 Jungle Hollow
9 Island
2 Fabled Passage

Artifact
1 Silent Arbiter
1 Crystalline Giant

Planeswalker
1 Vivien, Champion of the Wilds
1 Tamiyo, Collector of Tales
1 Vivien, Monster's Advocate
[/deck]

Mutate but wooo!

1 Mysterious Egg
2 Cold-Eyed Selkie
2 Blighted Agent
4 Pollywog Symbiote
4 Dreamtail Heron
4 Migratory Greathorn
4 Chittering Harvester
4 Pouncing Shoreshark
4 Cavern Whisperer
1 Brokkos, Apex of Forever
1 Sawtusk Demolisher
3 Forest
4 Swamp
2 Temple of Mystery
2 Dismal Backwater
2 Jungle Hollow
9 Island
2 Fabled Passage
1 Silent Arbiter
1 Crystalline Giant
1 Vivien, Champion of the Wilds
1 Tamiyo, Collector of Tales
1 Vivien, Monster's Advocate