Paying mana for X

Asked by Riv329 8 years ago

I was given this old card and if I play Subterranean Tremors and I pay the 8 extra for X does this do 8 damage to each creature without flying and destroy the all artifacts and do I get to put the 8/8 lizard onto the battlefield.

Epochalyptik says... Accepted answer #1

You get all the effects. Note that each new effect is written as a simple "if, then" statement rather than as a replacement effect that overwrites the previous effects.

Note, however, that X is not determined by what you pay. When X is involved in a cost and you get to decide what X is, you declare a value for X and the payment is then derived from that value. For example, you declare X=8. The cost for Subterranean Tremors will then be calculated as , or .

This is important if there are cost-modifying effects, such as those of Trinisphere, Thorn of Amethyst, Goblin Electromancer, etc. You still declare a value for X, but the total cost will be different according to the net result of those cost-modifying effects. Being forced to pay more or less does not change the value of X.

July 18, 2017 10:18 p.m.