Yawgmoth, Thran Physician Buylist and enchantment with mana value

and enchantment with mana value less than or equal to the amount of {E} paid this way

Destroy all creatures target opponent controls

) Whenever you put one or more +1/+1 counters on Blaster

Prowl {3}{U} (You may cast this for its prowl cost if you dealt combat damage to a player this turn with a Rogue

{1}{R}: If Kellan is a Scout

Yawgmoth, Thran Physician Buylist and enchantment with mana valueProtection from Humans Pay 1 life, Sacrifice another creature: Put a 1 1 counter on up to one target creature and draw a card. {B}{B}, Discard a card: Proliferate. (Choose any number of permanents and or players, then give each another counter of each kind already there.)