Whenever you attack, up to one target attacking creature can't be blocked this turn. Return that creature to its owner's hand at the beginning of the next end step. Choose a Background (You can have a Background as a second commander.)

Enchant creature Enchanted creature gets +5/+5 and has "Whenever this creature attacks, create a Monster Role token attached to up to one target attacking creature." (Enchanted creature gets +1/+1 and has trample.) When this Aura is put into a graveyard from the battlefield, return it to its owner's hand.

This spell costs {1} less to cast for each counter among players and permanents. Trample This creature enters tapped.

This spell costs {1} less to cast for each creature your opponents control. When this creature enters, put a +1/+1 counter on each other creature you control.

{T}: Add one mana of any color in your commander's color identity.

This land enters tapped unless you control two or more other lands. {T}: Add {G} or {U}.

({T}: Add {G}.)

If you control two or more other lands, this land enters tapped. {T}: Add {U}. {5}{U}: Until end of turn, this land becomes a 7/7 blue Giant creature with ward {3}. It's still a land. (Whenever it becomes the target of a spell or ability an opponent controls, counter it unless that player pays {3}.)

This land enters tapped unless you control a Forest or an Island. {T}: Add {G} or {U}.

({T}: Add {U}.)

This land enters tapped. {T}: Add {C}. {2}, {T}, Sacrifice this land: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

This land enters tapped unless you have two or more opponents. {T}: Add {G} or {U}.

You have no maximum hand size. {T}: Add {C}.

({T}: Add {G} or {U}.) This land enters tapped.

{T}: Add {C}. {4}, {T}: Target creature can't be blocked this turn.

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {G}{U}.

({T}: Add {G} or {U}.) This land enters tapped.

This land enters tapped. When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.) {T}: Add {G} or {U}.

As this land enters, you may reveal a Forest or Island card from your hand. If you don't, this land enters tapped. {T}: Add {G} or {U}.

Reveal the top X cards of your library. Put all land cards from among them onto the battlefield tapped and the rest on the bottom of your library in a random order. Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, untap those lands.

{T}: Add one mana of any color in your commander's color identity.

At the beginning of your upkeep, put a time counter on this enchantment. Once each turn, you may pay {0} rather than pay the mana cost for a spell you cast with mana value X or less, where X is the number of time counters on this enchantment.

Flying {T}: Add one mana of any color.

Reach When this creature enters, reveal cards from the top of your library until you reveal a land card. Put that card onto the battlefield tapped and the rest on the bottom of your library in a random order.

As this artifact enters, choose artifact, creature, enchantment, instant, or sorcery. Spells you cast of the chosen type cost {1} less to cast.

When this creature enters, reveal the top card of your library. If it's a land card, put it onto the battlefield. Otherwise, put that card into your hand.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

Trample As an additional cost to cast green permanent spells, you may pay 2 life. Those spells cost {G} less to cast if you paid life this way. This effect reduces only the amount of green mana you pay. Whenever you cast a green permanent spell, put a +1/+1 counter on each creature you control.

{T}: Add {G}.

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

You may play an additional land on each of your turns.

Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

{T}: Add {G}.

Creature spells you cast with power 4 or greater cost {2} less to cast. Whenever Goreclaw attacks, each creature you control with power 4 or greater gets +1/+1 and gains trample until end of turn.

Draw a card. You may put a land card from your hand onto the battlefield.

Spells cost {1} less to cast.

Blue creature spells you cast cost {1} less to cast. Whenever you cast a creature spell, target creature an opponent controls doesn't untap during its controller's next untap step.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

Creature spells you cast with mana value 6 or greater cost {2} less to cast.

{T}: Add {G}.

Search your library for a Forest card, put that card onto the battlefield, then shuffle.

Indestructible As long as your devotion to green is less than five, Nylea isn't a creature. Creature spells you cast cost {1} less to cast. {2}{G}: Reveal the top card of your library. If it's a creature card, put it into your hand. Otherwise, you may put it into your graveyard.

When this creature enters, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Green creature spells you cast cost {1} less to cast. Whenever you cast a creature spell, target creature you control gets +2/+2 and gains trample until end of turn.

Sacrifice this creature: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

As this artifact enters, choose two colors. Each spell you cast costs {1} less to cast for each of the chosen colors it is.

{T}: Add {C}{C}.

You have no maximum hand size. {T}: Add {C}.

{T}: Add {C}{C}{C}.

Search your library for a Forest card, put it onto the battlefield, then shuffle.

If an opponent controls at least four more creatures than you, this spell costs {6} less to cast. Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

If an opponent has no cards in hand, this spell costs {6} less to cast. Flying

When this creature enters, return target creature an opponent controls to its owner's hand.

Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.) Morbid — At the beginning of your end step, if a creature died this turn, put a +1/+1 counter on this creature.

This spell can't be countered. Trample, ward {4} Whenever Koma deals combat damage to a player, create four 3/3 blue Serpent creature tokens named Koma's Coil.

Reach When Bonny Pall enters, create Beau, a legendary blue Ox creature token with "Beau's power and toughness are each equal to the number of lands you control." Whenever you attack, draw a card, then you may put a land card from your hand or graveyard onto the battlefield.

Draw three cards, then put two cards from your hand on top of your library in any order.

Islandwalk (This creature can't be blocked as long as defending player controls an Island.) Whenever this creature deals combat damage to a player, you may draw that many cards.

Flying As an additional cost to cast blue permanent spells, you may pay 2 life. Those spells cost {U} less to cast if you paid life this way. This effect reduces only the amount of blue mana you pay. Whenever you cast a blue permanent spell, draw a card.

Draw two cards. You may put a land card from your hand onto the battlefield.

Enchant creature When this Aura enters, draw a card. When enchanted creature dies, its controller draws a card.

Look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order. As long as you control a Giant, you may cast this card from your graveyard by paying {U} rather than paying its mana cost. If you cast this card this way and it would be put into your graveyard, exile it instead.

When Kiora enters, draw two cards, then discard two cards. Threshold — Whenever Kiora attacks, if there are seven or more cards in your graveyard, you may create Scion of the Deep, a legendary 8/8 blue Octopus creature token.

Your commander costs {1} less to cast for each time it's been cast from the command zone this game. Whenever your commander is put into the command zone from anywhere, draw a card.

Choose one — • Draw cards equal to the greatest power among non-Human creatures you control. • Non-Human creatures you control get +3/+3 until end of turn.

Draw cards equal to the greatest power among creatures you control. You may cast a spell with mana value 5 or less from your hand without paying its mana cost.

Landfall — Whenever a land you control enters, you gain 1 life and draw a card.

This spell costs {2} less to cast if it targets a legendary creature you control. Target creature you control deals damage equal to twice its power to target creature or planeswalker you don't control.