Mox Tantalite [MH1 - 226] Modern Masters At the beginning of that

At the beginning of that turn's end step

Rules Text Contains: Cumulative upkeep 1 (At the beginning of your upkeep

then return a land card from your graveyard to the battlefield tapped

Sacrifice Engineered Explosives: Destroy each nonland permanent with converted mana cost equal to the number of charge counters on Engineered Explosives

Flavor: The Kipamu League knew what Keld refused to acknowledge: the land could support no more

Mox Tantalite [MH1 - 226] Modern Masters At the beginning of thatRarity: M #: 226 Creature Type or Sub Type: Artifact Rules Text Contains: Suspend 30 (Rather than cast this card from your hand, pay 0 and exile it with three 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.) T: Add one mana of any color.