Cards like Ultimate Offering allowed you to pay a paltry 500 life points to summon a monster during your Main Phase or even your opponents Battle Phase, before it was banned for good, and its not alone in cards seeing such a fate over the years
Legality depends on the tournament format -- Agido the Ancient Sentinel can be legal in some formats and banned or restricted in others
Two of these nine cards accidentally came out off-center, and whether or not those two were discarded or kept is ambiguous in primary sources
As a global removal and curiously also as a win condition, we added Blasphemous Act, with the goal of not only clearing the board when the situation is dire, but also using it with Wrathful Raptors, allowing you to kill all opponents at once depending on the number of Dinosaurs that are on the board
You cant tap it the turn it enters the battlefield since it is a creature and has summoning sickness, but you can tutor it up with creature-based spells like Green Suns Zenith