Mox Tantalite (226) [Modern Horizons] Gatecrash At the beginning of each

At the beginning of each opponent's upkeep

Put any number of Dinosaur creature cards from among them onto the battlefield and the rest on the bottom of your library in a random order

reveal the top card of your library and put that card into your hand

create a 1/1 white Human creature token that's tapped and attacking that player or a planeswalker they control

Mox Tantalite (226) [Modern Horizons] Gatecrash At the beginning of eachSet: Modern Horizons Type: Artifact Rarity: mythic Suspend 3{0} (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, you may cast it without paying its mana cost.) {T}: Add one mana of any color.