Shatterskull Smashing // Shatterskull, the Hammer Pass

Shatterskull Smashing deals X damage divided as you choose among up to two target creatures and/or planeswalkers. If X is 6 or more, Shatterskull Smashing deals twice X damage divided as you choose among them instead.

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As this land enters, you may pay 3 life. If you don't, it enters tapped.

{T}: Add {R}.