Johnny Storm, Human Torch

When Johnny Storm, Human Torch enters the battlefield, you may search your library for a creature card with converted mana cost equal
to 4, reveal it, then put it into your hand, then shuffle your library.
{3}{r}: Johnny Storm, Human Torch deals 4 damage to target creature and gains flying until the end of turn. Activate this only if you control another creature whose mana cost is equal
to 4.