one piece op10 most expensive cards The 10 Everybody Wants from TCG's Royal Blood (OP-10) The English Most rarest card

Even more crucially, it doubles on-board effects caused by your lands

This makes it one of the best cards for any Colorless deck (my personal favorite is Kozilek, the Great Distortion), essentially doubling all your mana

1 Grakmaw, Skyclave Ravager

I wanted to somehow equate this to a number of rounds in a tournament, but there is such a huge variation between formats (and even between decks) that I gave up

Ebony Charm is an old instant from Mirage that has you choose what effect it will have, but a quick glance will show you that there are no bullets present, and the comprehensive rules do tell us that it must have a bulleted list of modes