four or more card types mtg Let's Play a Game - Duskmourn: House of Horror #105 (English) then that player shuffles his or her library. What exactly does it mean

That means you are not splashing that effect unless it is good enough for a real commitment to the color or lack thereof, just like how splashing Treetop Village is often not the best idea (but not always!)

The official rules are as follows: (a) You may choose to pay [cost] rather than pay this spell's mana cost

Most of the cards that make Legacy expensive are the same cards that make Modern expensive: Snapcaster Mage, Liliana of the Veil, Misty Rainforest, etc

Final Fantasy has so many excellent cards (especially legends!) that well be going over the best Rare and Mythic cards to put in the 99 in this Set Review, with our picks of the top Commanders for the set to follow in a later article

Could any of those 1993 players have guessed the future value of these cardboard rectangles

This means you can tutor out something like Consecrated Sphinx on your first main phase and then have it ready for your upcoming ninjutsu trigger