| Set | Date | Rarity | Treatment |
|---|---|---|---|
| 6ED #77 | 1999-04-21 | Rare | Standard |
| 5ED #95 | 1997-03-24 | Rare | Standard |
| CHR #22 | 1995-07-01 | Rare | Standard |
| LEG #63 | 1994-06-01 | Rare | Standard |
You and target player exchange control of the creature you each control with the greatest mana value. Then exchange control of artifacts the same way. If two or more permanents a player controls are tied for greatest, their controller chooses one of them.