Any player may cast creature spells with mana value 3 or less without paying their mana costs and as though they had flash.

Trample

When Argothian Wurm enters the battlefield, any player may sacrifice a land. If a player does, put Argothian Wurm on top of its owner's library.

You may pay {1}{B} rather than pay this spell's mana cost.

If the {1}{B} cost was paid, an opponent draws a card.

Exile target creature or planeswalker.

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

{2}, {T}: Put a charge counter on Black Mana Battery.

{T}, Remove any number of charge counters from Black Mana Battery: Add {B}, then add an additional {B} for each charge counter removed this way.

At the beginning of each player's upkeep, that player returns a permanent they control to its owner's hand unless they pay 2 life.

Boneyard Wurm's power and toughness are each equal to the number of creature cards in your graveyard.

Indestructible

{T}: Add {C}.

{5}, {T}: Add five mana in any combination of colors.

Enchant player

At the beginning of enchanted player's upkeep, that player sacrifices a creature or planeswalker. If the player can't, they lose 5 life.

You may have Deathcoil Wurm assign its combat damage as though it weren't blocked.

Target spell or permanent becomes black. (Mana symbols on that permanent remain unchanged.)

Whenever an opponent plays a land, put a +1/+1 counter on Dirtcowl Wurm.

Trample

When Elderscale Wurm enters the battlefield, if your life total is less than 7, your life total becomes 7.

As long as you have 7 or more life, damage that would reduce your life total to less than 7 reduces it to 7 instead.

Destroy all nonenchantment creatures.

Beasts can't block.

When Gideon's Resolve enters the battlefield, you may search your library and/or graveyard for a card named Gideon, Martial Paragon, reveal it, and put it into your hand. If you search your library this way, shuffle.

Creatures you control get +1/+1.

Deathtouch

When God-Eternal Rhonas enters the battlefield, double the power of each other creature you control until end of turn. Those creatures gain vigilance until end of turn.

When God-Eternal Rhonas dies or is put into exile from the battlefield, you may put it into its owner's library third from the top.

Grakmaw, Skyclave Ravager enters the battlefield with three +1/+1 counters on it.

Whenever another creature you control dies, if it had a +1/+1 counter on it, put a +1/+1 counter on Grakmaw.

When Grakmaw dies, create an X/X black and green Hydra creature token, where X is the number of +1/+1 counters on Grakmaw.

Other creatures have "Whenever this creature attacks, you may have it fight Grothama, All-Devouring."

When Grothama leaves the battlefield, each player draws cards equal to the amount of damage dealt to Grothama this turn by sources they controlled.

Deathtouch

Whenever a creature you control with deathtouch attacks, each opponent loses 1 life and you gain 1 life.

Whenever a creature you control with deathtouch deals damage to a planeswalker, destroy that planeswalker.

Whenever Infernal Medusa blocks a creature, destroy that creature at end of combat.

Whenever Infernal Medusa becomes blocked by a non-Wall creature, destroy that creature at end of combat.

Black spells you cast cost {1} less to cast.

Evolve (Whenever a creature enters the battlefield under your control, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)

Whenever one or more +1/+1 counters are put on Lonis, investigate that many times.

Whenever you sacrifice a Clue, put a +1/+1 counter on another target creature you control.

Marjhan doesn't untap during your untap step.

{U}{U}, Sacrifice a creature: Untap Marjhan. Activate only during your upkeep.

Marjhan can't attack unless defending player controls an Island.

{U}{U}: Marjhan gets -1/-0 until end of turn and deals 1 damage to target attacking creature without flying.

When you control no Islands, sacrifice Marjhan.

Ninjutsu {2}{U} ({2}{U}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)

Whenever Mist-Syndicate Naga deals combat damage to a player, create a token that's a copy of Mist-Syndicate Naga.

{2}, {T}, Sacrifice Mossfire Egg: Add {R}{G}. Draw a card.

{T}: Target creature you control gains protection from the color of your choice until end of turn.

Attacking creatures you control have deathtouch.

Whenever a creature you control deals combat damage to a player, draw a card.

At the beginning of each upkeep, if you control no Snakes, create a 1/1 black Snake creature token with deathtouch.

Return all creatures you control to their owner's hand.

Prototype {1}{B}{B} -- 3/3 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.)

Menace, lifelink

Ward--Pay life equal to Phyrexian Fleshgorger's power.

Vigilance (Attacking doesn't cause this creature to tap.)

Predatory Wurm gets +2/+2 as long as you control a Garruk planeswalker.

Exile the top card of your library. If it's a permanent card, you may put it onto the battlefield. If you do, repeat this process.

{2}, {T}: Add one mana of any color. Put a brick counter on Pyramid of the Pantheon.

{T}: Add three mana of any one color. Activate only if there are three or more brick counters on Pyramid of the Pantheon.

Cycling {2} ({2}, Discard this card: Draw a card.)

Sea Monster can't attack unless defending player controls an Island.

Sea Serpent can't attack unless defending player controls an Island.

When you control no Islands, sacrifice Sea Serpent.

Krakens, Leviathans, Octopuses, and Serpents you control can't be blocked except by Krakens, Leviathans, Octopuses, and Serpents.

Enchant creature (Target a creature as you cast this. This card enters the battlefield attached to that creature.)

Enchanted creature has flying. (It can't be blocked except by creatures with flying or reach.)

{U}: Return Shimmering Wings to its owner's hand.

Whenever Shrouded Serpent attacks, defending player may pay {4}. If that player doesn't, Shrouded Serpent can't be blocked this turn.

Put a +1/+1 counter on each of up to X target creatures you control.

Auras, Equipment, and modified creatures you control gain hexproof until end of turn. (Equipment, Auras you control, and counters are modifications.)

{3}{U}: Return Sliptide Serpent to its owner's hand.

When Slithermuse leaves the battlefield, choose an opponent. If that player has more cards in hand than you, draw cards equal to the difference.

Evoke {3}{U} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

Put a +1/+1 counter on target creature you control. It gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)

Spineless Thug can't block.

Whenever Spitemare is dealt damage, it deals that much damage to any target.

Until end of turn, target creature becomes a blue Serpent with base power and toughness 4/4.

Cycling {1} ({1}, Discard this card: Draw a card.)

Sumala Rumblers's power is equal to the number of creatures you control.

Myriad (Whenever this creature attacks, for each opponent other than defending player, you may create a token that's a copy of this creature that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)

{T}: Add {C}.

{T}: Regenerate target Insect, Rat, Spider, or Squirrel. (The next time it would be destroyed, instead tap it, remove it from combat, and heal all damage on it.)

Trample

Phasing (This phases in or out before you untap during each of your untap steps. While it's phased out, it's treated as though it doesn't exist.)

At the beginning of your upkeep, all lands you control phase out. (They phase in before you untap during your next untap step.)

You start the game with an additional 7 life.

Whenever Vedalken Heretic deals damage to an opponent, you may draw a card.

Kicker {2} (You may pay an additional {2} as you cast this spell.)

Vodalian Serpent can't attack unless defending player controls an Island.

If Vodalian Serpent was kicked, it enters the battlefield with four +1/+1 counters on it.

Lifelink

Voracious Hatchling enters the battlefield with four -1/-1 counters on it.

Whenever you cast a white spell, remove a -1/-1 counter from Voracious Hatchling.

Whenever you cast a black spell, remove a -1/-1 counter from Voracious Hatchling.

Other enchantment creatures you control get +1/+1.

{G}, {T}: Copy target activated or triggered ability you control from an enchantment source. You may choose new targets for the copy. (Mana abilities can't be targeted.)

Other enchantment creatures you control get +1/+1.

{G}, {T}: Copy target activated or triggered ability you control from an enchantment source. You may choose new targets for the copy. (Mana abilities can't be targeted.)

Trample

When Worldspine Wurm dies, create three 5/5 green Wurm creature tokens with trample.

When Worldspine Wurm is put into a graveyard from anywhere, shuffle it into its owner's library.

Companion -- Your starting deck contains at least twenty cards more than the minimum deck size. (If this card is your chosen companion, you may put it into your hand from outside the game for {3} as a sorcery.)

Flying

When Yorion enters the battlefield, exile any number of other nonland permanents you own and control. Return those cards to the battlefield at the beginning of the next end step.