Its offspring is what makes it great: with two of them on the board, for each 1 life you gain, your opponents will lose 2 life
It wasnt Commander yet, but it was definitely a more social and less competitive style of play than Wizards was focused on when I joined the company in 2007
(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
Simply cast the combo, activate Sinkhole , skip your opponents turn, and if you happen to have Rescue , repeat the combo again
If that creature is still on the battlefield when the ability resolves, it'll be counted if appropriate