By considering the use of highly efficient spells, asymmetrical effects, modal effects, and effects that synergize with your deck, you should be able to gain card advantage even when wrathing away the board
Beloved by token decks everywhere, Grand Crescendo pulls double duty as a board wipe protection spell and a mass token generator
If was spent to cast this spell, instead create a token that's a copy of that permanent, except the token has "When this token enters, if it's a creature, it fights up to one target creature you don't control." Sorcery Vesuvan Drifter Flying You may look at the top card of your library any time
Un-Set Cards If you're looking for evidence that Magic doesn't always take itself seriously, look no further than the various Un-set cards throughout the game's history
The point of this little story was that mistakes aren't always so bad