Board wipes that destroy, exile, bounce, or give all creatures -X/-X are unaffected by protection
For instance, Cloud starts the original game at level six, then immediately levels up to seven after the first battle
The Blossoms was so good it made the cut in Standard decks during its era for tapping to bounce with Tradewind Rider in both Trade/Geddon that bounced lands after casting Armageddon or with Awakening in TradeAwake to tap and untap
Venonat has the following attacks: Tackle - 20 damage
For the Basic Energies, Lightning Energy was observed the most often (in a smaller sample), which happens to be the Energy which appeared the most times on the Base Set and Base Set 2 Basic Energy sheets
But if youre relying on a single one of these spells as the basis of your removal suite, you need to be aware of which threats youre going to be most vulnerable to and prepare your sideboard accordingly