Mesozoic Age

At the beginning of each player's Upkeep, Put a Time Counter on Mesozoic Age.
At the beginning of each player's Upkeep, each player Creates a 1/1 Dinosaur Creature Tokens called Compsognathus for each time counter on Mesozoic Age.
If there are 5 or more Time Counters on Mesozoic Age, Each player creates 2 5/2 Mosasaur Creature Tokens with "This creature cannot attack unless defending player controls an Island."
If there are 7,deal 20 damage to each creature.