Allons-y! — Whenever you attack, exile cards from the top of your library until you exile a nonland card. Put three time counters on it. If it doesn't have suspend (Rather than cast this card from your hand, pay its suspend cost and exile it with time counter(s) on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost. If it's a creature, it has haste.), it gains suspend.
Timey-Wimey — : Time travel (For each suspended card you own and each permanent you control with a time counter on it, you may add or remove a time counter.) three times. Activate only as a sorcery.
Vintage
Modern
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