Fiery Rainbow Wolf

When Fiery Rainbow Wolf comes into
play, put X 1/1 Wolf Tokens into play.
Fiery Rainbow Wolf's power and toughness
is equal to the number of Wolves in play.
All Wolves gain Haste and Grouping.
{1}{t}: Put a 1/1 Wolf token in play.
"Unlike a Wolf, a rainbow never shows
at night."