arceus basic pokemon card V 122/172 Brilliant Stars - Ultra Rare style setup or your main portfolio Arceus XY116 - Holofoil XY

Im not sure if this is better than URs excellent signpost uncommons though, as the floor is definitely lower than something like Shantotto, Tactician Magician

You can exile a target Creature, or give the choice over to your opponent to sacrifice an Enchantment they control

This, again, means that spells cost one mana less for each creature you have on the board.

While attached, this isn't a creature.) Creature Artifact - Equipment Cat Pump (CTRL to add secondary) Ramp Ramp (CTRL to add secondary) randoms randoms (CTRL to add secondary) Recursion Forge Anew When this enchantment enters, return target Equipment card from your graveyard to the battlefield