That helps to actually reach the top end of your mana curve, rather than simply losing the game because you kept drawing the expensive cards that you couldnt castwhat we usually call mana screw. Its also worth mentioning that landcycling abilities do count as cycling for the purposes of cards like Jo Grant that trigger whenever you cycle. Also, since discarding the card is the cost and the tutoring is the ability, any abilities that trigger when you discard a card like Inti, Seneschal of the Sun trigger and resolve after you discard the card but before you search your library
For example, Jacked Rabbit creates 1/1 white Rabbits equal to its power everytime it attacks and if you happen to have used Offspring on Jacked Rabbit as you cast it, your Offspring will create an additional white Rabbit token every time either one of them attacks
Most of all, Mount Doom may erupt and wipe out the whole board
Core Sets have been home to any number of hype-inspiring and format-defining cards since the change in design philosophy, from Baneslayer Angel and the Titans to the Rootbound Crag cycle of dual lands
These flag sleeves were also later available in the Store for a limited time so more players could get them