Rary, Pattern Seeker

As Rary enters the battlefield, choose a color.
Rary enters the battlefield with a pattern counter on
it.
Opponents's spells and non-mana abilities of
the chosen color cost {1} more mana as long as Rary
has a pattern counter on it.

Remove a pattern counter from Rary: Choose one:
—Put a +1/+1 counter on creatures you control
—Creatures you control gain Indestructible
until the end of turn