2 Scoreboard Sidebar

Ejecutarlo 1 vez
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/scoreboard objectives add Piedra1 stat.mineBlock.minecraft.stone
/scoreboard objectives add Madera1 stat.mineBlock.minecraft.log
/scoreboard objectives add Recursos dummy
/gamerule commandBlockOutput false
/scoreboard teams option ColoMadera color gold
/scoreboard teams add ColorPiedra
/scoreboard teams option ColorPiedra color gray
/scoreboard teams add ColoMadera
/scoreboard teams join ColorPiedra Piedra
/scoreboard teams join ColoMadera Madera

Testfor
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/testfor @p[score_Madera1=1,score_Madera1_min=1]
/scoreboard players add Madera Recursos 1
/scoreboard players reset @p Madera1

/testfor @p[score_Piedra1=1,score_Piedra1_min=1]
/scoreboard players add Piedra Recursos 1
/scoreboard players reset @p Piedra1

Reset de Recursos
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/scoreboard players reset Madera Recursos
/scoreboard players reset Piedra Recursos

Sidebar
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/scoreboard objectives setdisplay sidebar Recursos
Para quitarlo:
/scoreboard objectives setdisplay sidebar