japanese pokemon card box Mega Evolution - Mega Symphonia Pokémon Booster Safety Goggles Pokemon Card Game Black Bolt

Three is a good rate for this effect and is quite a bit, but the flexibility is nice

Pokemon Go Eevee Box Another Pokemon Booster Box is the Pokemon Go Eevee Box

If tails, the attack doesnt happen, and you put 3 damage counters on your Confused Pokmon

Goblin Tutor : Not legal in most formats, you'll probably need to rule 0 with your group to play it, but this tutor from the UN sets is both random and a fun tutor

I think these lands are my personal favorite

Essentially allowing your lands to tap for two mana the turn they come into play or letting your tapped lands like triomes make mana the turn they come into play gives you an incredible mana advantage