It can trigger on-death effects easily, giving you those effects while also ramping you with Treasure tokens
Simply cast the combo, activate Sinkhole , skip your opponents turn, and if you happen to have Rescue , repeat the combo again
(It's an artifact with " , , Sacrifice this token: You gain 3 life.") Ball Lightning Rarity: Rare TYPE: Creature SUBTYPE: Elemental CMC: 3 Mana cost: USD: $0.23 EUR: 0.35 TIX: 0.02 EDHREC RANK: 8904 (6/1) Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) Haste (This creature can attack and as soon as it comes under your control.) At the beginning of the end step, sacrifice this creature
(The new target must be valid.) Correction Choose 1 auto-ability or action ability that has only one target
In a world where cards entering the battlefield matters more though, flicker or blink effects, which make a card leave the battlefield momentarily only for it to enter the battlefield again, become much better
The closest thing is pokemon trader included in a base2 deck and trainer deck B