Because Char-Rumber's power is normally negative, you'll have to give it at least +2/+0 before it'll deal damage. It won't deal negative damage.
01-05-2007
wotc
Yes, Char-Rumbler's printed power is -1. While its power is -1 or 0, it simply deals no combat damage.
01-05-2007
wotc
A first strike damage step will be created if Char-Rumbler is in combat, even if its power is 0 or less. The normal combat damage step will follow.
01-05-2007
wotc
If Char-Rumbler's power changes between the assignment of first-strike combat damage and the assignment of normal combat damage, Char-Rumbler will deal a different amount of damage in each combat damage step.
Random a card of Magic: The Gathering (MTG), but you can also roll the D20 dice, random a Planeswalker, have fun with the random rules and more.