Dust Animus ala Splinterfright's power and toughness are

Splinterfright's power and toughness are each equal to the number of creature cards in your graveyard

Then put all cards exiled this way that weren't cast into your graveyard

When Vengeful Creeper is turned face up

When Fiery Mantle is put into a graveyard from the battlefield

you may activate her loyalty abilities any time you could cast an instant

Dust Animus ala Splinterfright's power and toughness areFlying If you control five or more untapped lands, Dust Animus enters the battlefield with two +1 +1 counters and a lifelink counter on it. Plot {1}{W} (You may pay {1}{W} and exile this card from your hand. Cast it as a sorcery on a later turn without paying its mana cost. Plot only as a sorcery.)