Titan Egg

Titan egg enters the battlefield with 3 incubation counters. (At the beginning of your upkeep, pay {1}
to remove an incubation counter, otherwise exile
Titan egg).

When there are no incubation counters on Titan egg, sacrifice it and search your library for a titan creature card with combined mana value {6} or less and put it onto the battlefield.
Shuffle your library.