Adora

Level up {W}{B} {3}, Sacrifice a creature: Put X level up counters on Adora equal to sacrificed creatures mana value. Level 1 - 10: Base Power and Toughness - 6/6. Level 11 - 19: Base Power and Toughness - 6/6. Adora gains “{2}{T}: Destroy target creature.” Level 20: If you control “Adora’s Temple” legendary land and “Vengeful True Sun God” legendary creature.