Sure with all these examples the person gets a creature (or land) to replace the one they lost, but more often than not in EDH the creature you need to kill is either a 20/20 or some excellent utility creature creating a lot of problems for you
You can craft Porygon (A1 209) by spending 70 Pack Points
A gray stamp set collector or an Arcanine collector may pay a much higher premium than someone who is generally interested in 1st ed Base
(This card is also still a Trap Card.) If Summoned this way, this card gains ATK equal to the combined ATK of the monsters equipped to it by this effect, monsters your opponent controls cannot target monsters you control for attacks, except this one, also your opponent cannot target monsters you control with card effects, except this one
You can choose to cast one of the spells in a tight situation or you can wait for the opportune moment to cast both of them to give yourself maximum value
Such monster would be Summoned before applying the Summon restriction of "Brutal Dozer", giving the player the freedom to Summon any Rank 9 monster in the game