Skysaurus, Predacon Schemer

Flying, Haste
Whenever one or more creatures you control deal combat damage to a player, you may discard one or more cards. If you do, draw that many cards plus
one.
Whenever you attack, if you both own and control Landsaurus, Seasaurus, and Skysaurus, you may exile them, then meld them into Magmatron, Predacon General tapped and attacking.
Triad with Seasaurus and Landsaurus.