As Ixidron enters, turn all other nontoken creatures face down. (They're 2/2 creatures.)Ixidron's power and toughness are each equal to the number of face-down creatures on the battlefield.
At the beginning of your upkeep, put a spore counter on Thallid Germinator.Remove three spore counters from Thallid Germinator: Create a 1/1 green Saproling creature token.Sacrifice a Saproling: Target creature gets +1/+1 until end of turn.
Suspend 6—Each player chooses a number of lands they control equal to the number of lands controlled by the player who controls the fewest, then sacrifices the rest. Players sacrifice creatures and discard cards the same way.
Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)When Subterranean Shambler enters or leaves the battlefield, it deals 1 damage to each creature without flying.
Return target black creature card from your graveyard to your hand.Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)
Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)When Coral Trickster is turned face up, you may tap or untap target permanent.
Enchant creatureAs Pentarch Ward enters, choose a color.When Pentarch Ward enters, draw a card.Enchanted creature has protection from the chosen color. This effect doesn't remove Pentarch Ward.
Buyback (You may pay an additional as you cast this spell. If you do, put this card into your hand as it resolves.)Choose a counter on target permanent or suspended card. Remove that counter from that permanent or card or put another of those counters on it.
: Add .: Foriysian Totem becomes a 4/4 red Giant artifact creature with trample until end of turn.As long as Foriysian Totem is a creature, it can block an additional creature each combat.
Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)Destroy target artifact or enchantment.
Sulfurous Blast deals 2 damage to each creature and each player. If you cast this spell during your main phase, Sulfurous Blast deals 3 damage to each creature and each player instead.
FlashSplit second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)FlyingOther white creatures get +1/+1.