Phthisis

Destroy target creature. Its controller loses life equal to its power plus its toughness.
Suspend 5—{1B} (Rather than play this card from your hand, you may pay {1B} and remove it from the game with five time counters on it. At the beginning of your upkeep, remove a time counter. When you remove the last, play it without paying its mana cost.)

Destroy target creature. Its controller loses life equal to its power plus its toughness.
Suspend 5—{1}{B} (Rather than cast this card from your hand, you may pay {1}{B} and exile it with five time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)

Forgotten Realms Commander

Destroy target creature. Its controller loses life equal to its power plus its toughness.
Suspend 5—{1}{B} (Rather than cast this card from your hand, you may pay {1}{B} and exile it with five time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost.)

Time Spiral Remastered

Commander 2013

Destroy target creature. Its controller loses life equal to its power plus its toughness.Suspend 5—{1}{B} (Rather than cast this card from your hand, you may pay {1}{B} and exile it with five time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost.)