Agniasa, of Fire Blood

Eminence —Griffin you control are Dragons in
addition to their other types. They gain "{r}: This
creature gets +1/+0 until end of turn".
Flying, Vigilance
Whenever you cast a Griffin spell, add {r}{r}.
Until end of turn, you don't lose this mana as
steps and phases end.
{1}{r/w}: Another target Dragon gains lifelink until
end of turn.