Heck, if you can be sure your cards can't be targeted (with something like Archetype of EnduranceArchetype of Endurance, perhaps), you can use Zuran OrbZuran Orb and a sacrifice outlet to sacrifice your lands and Lumra, Bellow of the WoodsLumra, Bellow of the Woods only to bring the big Bear back to play with it's built-in Splendid ReclamationSplendid Reclamation
Rufus Shinra can creature a creature token each time it attacks, which can then be sacrificed to fuel payoffs like Judge Magister Gabranth's
Crew 3 The value of X is determined only once, as Rolling Hamsphere's second ability resolves
It might seem intimidating if youve never played Magic before, but pre-release events are usually a very casual affair, because the playing field is relatively even: not only do they attract new players to try the game, and even experienced players are dealing with the random chance of whatever cards are in their booster packs from a set theyve not had the chance to play with yet
Kolodin, Triumph Caster turns Vehicles like Rover Blades and Parhelion II into hasty artifact creatures when they enter the battlefield