Mekros, the Revolutionary

+1: Draw a card. If it's a creature card, Mekros deals X damage to target creature, where X is the card's converted mana cost.
-1: Until end of turn, Mekros becomes a 4/4 Salamander creature with hexproof and indestructible. Create two 1/1 Blue Salamander creature tokens.
-5: You get an emblem with: "Salamanders you control get +1/+1 and have: When this creature deals damage to a player, that player sacrifices a land."