MTG Salvation

Ajani can not target it because protection from said color prots against targeting via the DEBT acronym {D}estruction {E}nchant/equip {B}lock {T}arget

hello friends.im new here obviously and i have a few questions so far. im mostly familiar with the forum set up as most sights have the same program . can anyone fill me in on how the tags work .what the mana one means,the dice one too. and how do i get that cool sig that shows the magic color you choose with a cool vivid statement about the style of said color/colors. thanks