Symbiotic Wurm [Onslaught] HGSS14 You may cast the copy

You may cast the copy without paying its mana cost

Set: The Lost Caverns of Ixalan Commander Type: Enchantment Rarity: Rare Cost: {3}{U}{U} As Kindred Discovery enters the battlefield

one who has returned to arms of nature

Set: Modern Horizons Type: Instant Rarity: Uncommon Cost: {W} Exile target creature you control

The ever-watchful center of a growing web of eyes

Symbiotic Wurm [Onslaught] HGSS14 You may cast the copySet: Onslaught Type: Creature Wurm Rarity: Rare Cost: {5}{G}{G}{G} When Symbiotic Wurm dies, create seven 1 1 green Insect creature tokens. The insects keep the wurm's hide free from parasites. In return, the wurm doesn't eat the insects.