At best youll deprive them of a few key resources, at worst (and more often than not), youll make their deck more consistent by trimming the fat
It costs 8 mana for a 0/30 creature with defender that also makes your other permanents indestructible, so it can be quite a pain to deal with for opponents
While some of the cards on this list, now five or ten years old, may be unknown to newer players and have faded a bit in the eyes of long-experienced ones, many of them are still format-defining not just for what they did in-game, but outside of it as well
This might mean putting 20 charge counters on a Darksteel Reactor for an instant win or growing a Walking Ballista to infinite size to clear the board of opponents
Grow your card pool to diversify your deck-building options and enhance your strategic potential
The higher the combined stats, the wider the range of creatures you can tutor directly into play, which leads to more mana to cast even bigger creatures