(Treat them and anything attached to them as though they don't exist until your next turn.) Instant Teferi's Protection Until your next turn, your life total can't change and you gain protection from everything
Four mana for a token from Heliod, God of the SunHeliod, God of the Sun may seem like a lot, but in conjunction with the commander, or Doomwake GiantDoomwake Giant, your opponents will struggle to find blockers for those Cleric tokens
A strong Moogle payoff, and an extremely cute creature lord. 5
Unfinity TypeArtifact Attraction Collector Number201c Rarityuncommon ArtistDmitry Burmak Visit Return a creature you don't control with the lowest toughness among creatures you don't control to its owner's hand
And of course, there's the famous whistle reference
If the spell has any mandatory additional costs, those must be paid to cast the spell