guilds of ravnica card sleeves Standard DECK PROTECTOR® (100ct) for Magic: The Gathering UP MTG GUILDS RAVNICA SLEEVE

They provide a variety of utilities: "Sorath" being able to Summon a monster from either GY to the user's field, then perform an additional Fusion Summon by banishing monster(s) from the user's field or GY, "Baybarron" searching either one of two specific "Invoked" support cards, "Oceanus" being a one-sided "Dimensional Fissure", "Dee Anima" being able to destroy monsters or Spell/Traps, then can tag itself out with an "Aliester" monster from the Deck to negate an effect activated from the GY

While you certainly are a smaller part of the problem than the people listing these cards on eBay or trading them away at Grands Prix, you're still a part

There's some really good stuff in here, like Heroic Intervention

As Teval also makes tokens, both tokens can be tapped for mana via Insidious Roots