As an additional cost to cast this spell, discard X creature cards.

Return X target creatures to their owners' hands.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

Flying

Create a 1/1 green Snake creature token, a 2/2 green Wolf creature token, and a 3/3 green Elephant creature token.

Destroy all lands or all creatures. Creatures destroyed this way can't be regenerated.

Destroy target enchantment.

Cycling (, Discard this card: Draw a card.)

Shadow (This creature can block or be blocked by only creatures with shadow.)

Enchant creature

Whenever enchanted creature deals combat damage to a player, that player sacrifices a land of their choice.

Spend only black mana on X.

Drain Life deals X damage to any target. You gain life equal to the damage dealt, but not more life than the player's life total before the damage was dealt, the planeswalker's loyalty before the damage was dealt, or the creature's toughness.

Look at the top three cards of your library. Put one of them into your hand and the rest into your graveyard.

When an opponent plays a nonbasic land, if Hidden Herd is an enchantment, Hidden Herd becomes a 3/3 Beast creature.

Flying

When Howling Banshee enters, each player loses 3 life.

Cast this spell only if an opponent cast a creature spell this turn.

You may put a green creature card from your hand onto the battlefield.

At the beginning of each player's upkeep, return to its owner's hand each creature that player controls with power greater than the number of cards in their hand.

All creatures have "At the beginning of your upkeep, sacrifice this creature unless you pay ."

Counter target spell unless its controller pays . If that player doesn't, they tap all lands with mana abilities they control and lose all unspent mana.

, : Quickening Licid loses this ability and becomes an Aura enchantment with enchant creature. Attach it to target creature. You may pay to end this effect.

Enchanted creature has first strike.

Put target card from your graveyard on top of your library.

Whenever Sabertooth Cobra deals damage to a player, that player gets a poison counter. The player gets another poison counter at the beginning of their next upkeep unless they pay before that step. (A player with ten or more poison counters loses the game.)

Whenever Seascape Aerialist or another Ally you control enters, you may have Ally creatures you control gain flying until end of turn.

Flying

Whenever Somnophore deals damage to a player, tap target creature that player controls. That creature doesn't untap during its controller's untap step for as long as Somnophore remains on the battlefield.

Shadow (This creature can block or be blocked by only creatures with shadow.)

Whenever Thalakos Deceiver attacks and isn't blocked, you may sacrifice it. If you do, gain control of target creature. (This effect lasts indefinitely.)

Shadow (This creature can block or be blocked by only creatures with shadow.)

When an opponent casts a spell, if Veiled Apparition is an enchantment, Veiled Apparition becomes a 3/3 Illusion creature with flying and "At the beginning of your upkeep, sacrifice Veiled Apparition unless you pay ."

Haste (This creature can attack and as soon as it comes under your control.)

At the beginning of the end step, return Viashino Sandstalker to its owner's hand. (Return it only if it's on the battlefield.)

, : Search your library for a Dragon permanent card, put that card onto the battlefield, then shuffle. That Dragon gains haste until end of turn. Exile it at the beginning of the next end step.