FlyingAt the beginning of your upkeep, sacrifice Arcades Sabboth unless you pay .Each untapped creature you control gets +0/+2 as long as it's not attacking.: Arcades Sabboth gets +0/+1 until end of turn.
Flying: Dragon Whelp gets +1/+0 until end of turn. If this ability has been activated four or more times this turn, sacrifice Dragon Whelp at the beginning of the next end step.
Return target creature card from your graveyard to the battlefield.Flashback—Sacrifice three creatures. (You may cast this card from your graveyard for its flashback cost. Then exile it.)
Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)Cycling—Pay 2 life. (Pay 2 life, Discard this card: Draw a card.)
FlyingCumulative upkeep—Discard a card. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)When Vexing Sphinx dies, draw a card for each age counter on it.
Whenever a player casts a spell, you may put a +1/+1 counter on Forgotten Ancient.At the beginning of your upkeep, you may move any number of +1/+1 counters from Forgotten Ancient onto other creatures.
All Nightmares get +1/+1., Pay 3 life: Put target creature card from a graveyard onto the battlefield under your control. That creature is black and is a Nightmare in addition to its other creature types.When Chainer, Dementia Master leaves the battlefield, exile all Nightmares.