Tilly, Song of the Rose

Partner
When Tilly enters the battlefield place a number
of +1/+1, -1/-1 or any combination of the
two on other creatures equal to X.
Level Up ({g/w}, add a counter; can only be played
whenever you could play a Sorcery) [1/2]
2-3: Flying [2/2]
4+: Flying, {t}, target creature becomes
tapped and doesn't untap on its next untap
step. [2/2]