Then River Song deals damage to that player equal to its power. Being able to make River Song stronger when players mess with their deck is one thing, but being able to also hurt players for doing so is excellent
Why play Cultivate or Kodamas Reach
Totem armor, renamed umbra armor, only prevents destruction and lethal damage, rather like regeneration

1x Kodama's Reach 1x Nature's Lore 1x Painful Truths 1x Ponder 1x Preordain 1x Rampant Growth 1x Recross the Paths 1x Seasons Past 1x Skull Storm 1x Skyshroud Claim 1x Treasure Cruise 1x Ugin's Insight 1x Volcanic Vision Enchantment (5) 1x Leyline of Anticipation 1x Mind's Dilation 1x Sunbird's Invocation 1x Training Grounds 1x Zendikar Resurgent Artifact (5) Land (36) 1x Blood Crypt 1x Bloodstained Mire 1x Breeding Pool 1x Command Tower 1x Crumbling Necropolis 1x Evolving Wilds 1x Exotic Orchard 5x Forest 1x Frontier Bivouac 6x Island 1x Llanowar Wastes 4x Mountain 2x Opulent Palace 1x Overgrown Tomb 1x Polluted Delta 1x Shivan Reef 1x Steam Vents 1x Stomping Ground 2x Swamp 1x Watery Grave 1x Wooded Foothills 1x Yavimaya Coast Instant (13) Commanders (2) Creature (15) 1x Avatar of Growth 1x Birds of Paradise 1x Bloom Tender 1x Combustible Gearhulk 1x Emrakul, the Promised End 1x Eternal Witness 1x Fierce Empath 1x Kess, Dissident Mage 1x Omnispell Adept 1x Primeval Protector 1x Rashmi, Eternities Crafter 1x Sakura-Tribe Elder 1x Seedborn Muse 1x Sifter Wurm 1x Torrential Gearhulk

In ZNR , this showcase style is featured mostly on non-legendary creatures, giving those creatures a way to shine on the battlefield and letting you enter the plane of Zendikar