pokemon cards secret rares Phantasmal Flames Illustration Rare Ambipom #107 card illustration featuring Ambipom (#107) from the Pokemon TCG. All The Amazing Secret Rare

While not quite a proper mana doubler, its still a whole pile of extra mana when considering the cards low cost

Jace Beleren Jace Reawakened Jace, Arcane Strategist Jace, Architect of Thought Jace, Cunning Castaway Jace, Ingenious Mind-Mage Jace, Memory Adept Jace, Mirror Mage Jace, Telepath Unbound Jace, Unraveler of Secrets Jace, Wielder of Mysteries Jace, the Living Guildpact Jace, the Mind Sculptor Jace, the Perfected Mind Space Beleren

The problem is that Set Boosters are not designed for Limited play

PLEASE: NO TEXTING

Koga Koga is an interesting and powerful Supporter card that can serve as the basis of an entire deck