This article will help explain the different Spell Card types and what they mean
You only need to connect with an opponent once if you have the proliferate abilities to do the rest, but you can also pump out a bunch of tokens and grant them deathtouch with Ohran Frostfang
With a set reprint on the horizon, it's unclear how the cards value will be affected but being an Umbreon, it will surely hold a lot of value going forward regardless
Keep raw unless the card is truly exceptional condition and you're building a complete graded set
Burning Rage (Quick-Play Spell) - " If "The Winged Dragon of Ra" is on your side of the field, during the battle phase of the turn this card is activated, it can make an additional attack if it destroys and opponents monster by battle
Avoid unverified marketplace listings, especially those priced significantly below market average