Playing Mufasa - Ruler of Pride Rock requires the inkwell to be completely exerted even if it has more than eight cards in it, and two have to be chosen at random to return to the player's hand
Whether it resolves or is countered, or in more corner cases gets bounced off the stack with a Reprieve, or some other way, in all cases the spell goes to exile rather than any other game zone
One of the reasons it has managed to outlast other card games is that it has managed to stay interesting by adding new cards, including special crossover packs that draw from other popular media
Buried Alive and creatures like Oriq Loremage do a similar job, but no ones as mana-efficient as Entomb
In summoning Neriv, the Mardu sought to revitalize their collective, finding power not in the constant pursuit of battle but in their unity and strength of will
But their creatures will be empowering your own with cards like Coat of Arms or Icon of Ancestry