Use card sleeves or dividers to help keep your cards organized and in good condition
Heliod, Sun-Crowned Even if youre not trying to go infinite with the Walking Ballista combo, if you care about lifegain, you want Heliod, Sun-Crowned in your deck, or in the command zone as one of the best mono-white commanders
Cards from some preconstructed decks like the duel decks or the modern event deck have their own set symbol, as theres not normally enough of those to split into their own set I generally keep those cards with the most recent normal printing
Whenever this creature deals combat damage to a player, search that player's library for a card, then that player chooses a card name
Its also a way to play combat tricks without lowering your creature count, which is very important in Limited and in very low-to-the-curve aggressive decks