Create a 1/1 green Saproling creature token for each card in your hand.

: This creature can't be blocked this turn.

, Sacrifice this creature: Create a 1/1 green Insect creature token with flying named Butterfly at the beginning of the next end step.

Prevent all combat damage that would be dealt to and dealt by creatures you control.

Choose a card type. Target opponent reveals their hand. Blood Oath deals 3 damage to that player for each card of the chosen type revealed this way. (Artifact, battle, creature, enchantment, instant, kindred, land, planeswalker, and sorcery are card types.)

Sacrifice this creature: It deals 2 damage to any target.

Nonland permanents don't untap during their controllers' untap steps.
At the beginning of your upkeep, you lose 2 life.

When this creature enters, you may return target land to its owner's hand.

Any player may cast creature and enchantment spells as though they had flash.

Tap an untapped creature you control: This enchantment deals 1 damage to target player or planeswalker.

, : Prevent the next X damage that would be dealt to any target this turn.

When this creature enters, you may search your library for up to three cards named Howling Wolf, reveal them, put them into your hand, then shuffle.

If an opponent controls a Mountain and you control an Island, you may cast this spell without paying its mana cost.
Flying

Whenever an opponent casts a blue or black spell, you may create a 1/1 green Snake creature token.

: Target creature gets +1/+1 and gains flying, first strike, and trample until end of turn.

, : Search your library for a Mercenary permanent card with mana value 3 or less, put it onto the battlefield, then shuffle.

Enchant creature (Target a creature as you cast this. This card enters attached to that creature.)
Enchanted creature doesn't untap during its controller's untap step.

Flying
: This creature gains protection from the color of your choice until end of turn.

When this creature enters, each other player may return a creature card from their graveyard to the battlefield.

Defender (This creature can't attack.)
, : Target player discards a card. Activate only as a sorcery.

Whenever a creature you control becomes blocked, this enchantment deals 1 damage to any target.

If you control a Plains, you may tap an untapped creature you control rather than pay this spell's mana cost.
Creatures you control get +1/+1 until end of turn.

When this creature enters, each opponent sacrifices a permanent of their choice unless they pay .

Whenever this creature is dealt combat damage, you gain that much life.

Whenever this creature blocks or becomes blocked by a nonblack creature, destroy that creature at end of combat.

At the beginning of each player's upkeep, that player may put a +1/+1 counter on target creature of their choice.

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

Flying
, : Search your library for a Rebel permanent card with mana value 6 or less, put it onto the battlefield, then shuffle.

: This creature gains trample until end of turn.

Each creature deals damage to itself equal to its power.

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

At the beginning of your upkeep, sacrifice this creature unless you sacrifice a Mountain.

Whenever a creature dies, put a charge counter on this enchantment.
At the beginning of your first main phase, add for each charge counter on this enchantment.

You may return two Islands you control to their owner's hand rather than pay this spell's mana cost.
Draw two cards.

Whenever this creature becomes blocked, you gain 2 life.

Search target opponent's library for a creature card and put that card onto the battlefield under your control. Then that player shuffles.