larvesta pokemon card [Traditional Chinese] / 燃燒蟲 103/086 AR SV11BF [R] Flare (10) Attack 2 Pokemon Black White Plasma Blast

This allows Compy Swarm to continue growing, as long as you have a good sacrifice outlet

While not exactly a card draw, it does give you access to more cards than are in your hand

In the first situation, if you flicker an aura with an effect like Flicker of Fate, it comes into play and must be attached to a legal permanent

Even players who are aware of the existence of spells like Mana Tithe or Lapse of Certainty might not give you credit for actually running the cards and play into them accordingly

As a game goes on, one of my favorite ways to use Weathered Wayfarer is to find lands that can help keep my land count just under the player with the highest while still advancing my mana or other agendas