At the beginning of each opponent's upkeep, that player reveals the top card of their library. If it's a creature card, the player puts the card into their graveyard and Shapeshifter's Marrow becomes a copy of that card. (If it does, it loses this ability.)
Enchant instant card in a graveyardWhenever you cast a sorcery spell, copy the enchanted instant card. You may cast the copy without paying its mana cost. If you do, exile the enchanted card and attach Spellweaver Volute to another instant card in a graveyard.
All Slivers have "When this permanent enters, you may fateseal 1." (To fateseal 1, its controller looks at the top card of an opponent's library, then they may put that card on the bottom of that library.)
Epochrasite enters with three +1/+1 counters on it if you didn't cast it from your hand.When Epochrasite dies, exile it with three time counters on it and it gains suspend. (At the beginning of its owner's upkeep, they remove a time counter. When the last is removed, they may cast this card without paying its mana cost. It has haste.)
When Imperial Mask enters, if it's not a token, each of your teammates creates a token that's a copy of Imperial Mask.You have hexproof. (You can't be the target of spells or abilities your opponents control.)
Shadow (This creature can block or be blocked by only creatures with shadow.)Forecast — , Reveal Spirit en-Dal from your hand: Target creature gains shadow until end of turn. (Activate only during your upkeep and only once each turn.)
Choose one —• Remove two time counters from each permanent and each suspended card.• Put two time counters on each permanent with a time counter on it and each suspended card.