Rin and Seri, Stray Sovereigns

( Melds from Rin, Cat Castout and Seri, Mistreated Mutt )

Protection from humans, Ward {x}, where X is the number of other dogs and cats you control.

All cats and dogs, gain +1/+1, Vigilance, and Lifelink.

Whenever one or more dogs or cats enter the battlefield that weren't created by this ability, flip a coin. If heads create that many 1/1 cat tokens, if tails make that many 1/1 dog tokens.