When Bear's Companion enters the battlefield, create a 4/4 green Bear creature token.

Flying

{T}: Add one mana of any color.

Flying

{T}: Add one mana of any color.

({T}: Add {G} or {U}.)

As Breeding Pool enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

({T}: Add {G} or {U}.)

As Breeding Pool enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Crater's Claws deals X damage to any target.

Ferocious -- Crater's Claws deals X plus 2 damage instead if you control a creature with power 4 or greater.

Crater's Claws deals X damage to any target.

Ferocious -- Crater's Claws deals X plus 2 damage instead if you control a creature with power 4 or greater.

+1: Look at the top card of your library. If it's a creature card, you may reveal it and put it into your hand.

-2: Target creature you control fights another target creature.

-7: You get an emblem with "Creatures you control have double strike, trample, hexproof, and haste."

Ferocious -- If you control a creature with power 4 or greater, you may cast Dragon Grip as though it had flash. (You may cast it any time you could cast an instant.)

Enchant creature

Enchanted creature gets +2/+0 and has first strike.

Ferocious -- If you control a creature with power 4 or greater, you may cast Dragon Grip as though it had flash. (You may cast it any time you could cast an instant.)

Enchant creature

Enchanted creature gets +2/+0 and has first strike.

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.)

Remove two +1/+1 counters from Experiment One: Regenerate Experiment One.

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.)

Remove two +1/+1 counters from Experiment One: Regenerate Experiment One.

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.)

Remove two +1/+1 counters from Experiment One: Regenerate Experiment One.

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.)

Remove two +1/+1 counters from Experiment One: Regenerate Experiment One.

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

Frontier Bivouac enters the battlefield tapped.

{T}: Add {G}, {U}, or {R}.

Frontier Bivouac enters the battlefield tapped.

{T}: Add {G}, {U}, or {R}.

Deathtouch

Ferocious -- Whenever Heir of the Wilds attacks, if you control a creature with power 4 or greater, Heir of the Wilds gets +1/+1 until end of turn.

Deathtouch

Ferocious -- Whenever Heir of the Wilds attacks, if you control a creature with power 4 or greater, Heir of the Wilds gets +1/+1 until end of turn.

Deathtouch

Ferocious -- Whenever Heir of the Wilds attacks, if you control a creature with power 4 or greater, Heir of the Wilds gets +1/+1 until end of turn.

Flying

Morph {1}{G}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

When Icefeather Aven is turned face up, you may return another target creature to its owner's hand.

Flying

Morph {1}{G}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

When Icefeather Aven is turned face up, you may return another target creature to its owner's hand.

Flying

Morph {1}{G}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

When Icefeather Aven is turned face up, you may return another target creature to its owner's hand.

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

{T}, Pay 1 life, Sacrifice Polluted Delta: Search your library for an Island or Swamp card, put it onto the battlefield, then shuffle.

{T}: Add {G}, {U}, or {R}.

Morph {2} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

When Rattleclaw Mystic is turned face up, add {G}{U}{R}.

{T}: Add {G}, {U}, or {R}.

Morph {2} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

When Rattleclaw Mystic is turned face up, add {G}{U}{R}.

All creatures able to block target creature this turn do so.

Ferocious -- That creature gains indestructible until end of turn if you control a creature with power 4 or greater.

All creatures able to block target creature this turn do so.

Ferocious -- That creature gains indestructible until end of turn if you control a creature with power 4 or greater.

+1: Until end of turn, Sarkhan, the Dragonspeaker becomes a legendary 4/4 red Dragon creature with flying, indestructible, and haste. (He doesn't lose loyalty while he's not a planeswalker.)

-3: Sarkhan, the Dragonspeaker deals 4 damage to target creature.

-6: You get an emblem with "At the beginning of your draw step, draw two additional cards" and "At the beginning of your end step, discard your hand."

+1: Until end of turn, Sarkhan, the Dragonspeaker becomes a legendary 4/4 red Dragon creature with flying, indestructible, and haste. (He doesn't lose loyalty while he's not a planeswalker.)

-3: Sarkhan, the Dragonspeaker deals 4 damage to target creature.

-6: You get an emblem with "At the beginning of your draw step, draw two additional cards" and "At the beginning of your end step, discard your hand."

{2}{G}: Savage Knuckleblade gets +2/+2 until end of turn. Activate only once each turn.

{2}{U}: Return Savage Knuckleblade to its owner's hand.

{R}: Savage Knuckleblade gains haste until end of turn.

{2}{G}: Savage Knuckleblade gets +2/+2 until end of turn. Activate only once each turn.

{2}{U}: Return Savage Knuckleblade to its owner's hand.

{R}: Savage Knuckleblade gains haste until end of turn.

{2}{G}: Savage Knuckleblade gets +2/+2 until end of turn. Activate only once each turn.

{2}{U}: Return Savage Knuckleblade to its owner's hand.

{R}: Savage Knuckleblade gains haste until end of turn.

{2}{G}: Savage Knuckleblade gets +2/+2 until end of turn. Activate only once each turn.

{2}{U}: Return Savage Knuckleblade to its owner's hand.

{R}: Savage Knuckleblade gains haste until end of turn.

({T}: Add {U} or {R}.)

As Steam Vents enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

({T}: Add {U} or {R}.)

As Steam Vents enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

({T}: Add {R} or {G}.)

As Stomping Ground enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

({T}: Add {R} or {G}.)

As Stomping Ground enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Flash

This spell can't be countered.

Creature spells you control can't be countered.

Other creatures you control have trample.

Flash

This spell can't be countered.

Creature spells you control can't be countered.

Other creatures you control have trample.

Creatures you control have haste.

Whenever a creature with power 4 or greater enters the battlefield under your control, you may draw a card.

Creatures you control have haste.

Whenever a creature with power 4 or greater enters the battlefield under your control, you may draw a card.

Choose one --

• Target creature you control gets +1/+1 until end of turn. It fights target creature you don't control.

• Counter target spell unless its controller pays {3}.

• Creatures with power 3 or less can't block this turn.

Choose one --

• Target creature you control gets +1/+1 until end of turn. It fights target creature you don't control.

• Counter target spell unless its controller pays {3}.

• Creatures with power 3 or less can't block this turn.

Choose one --

• Target creature you control gets +1/+1 until end of turn. It fights target creature you don't control.

• Counter target spell unless its controller pays {3}.

• Creatures with power 3 or less can't block this turn.

Counter target creature spell. Put two +1/+1 counters on up to one target creature.

Counter target creature spell. Put two +1/+1 counters on up to one target creature.

{T}, Pay 1 life, Sacrifice Windswept Heath: Search your library for a Forest or Plains card, put it onto the battlefield, then shuffle.

{T}, Pay 1 life, Sacrifice Windswept Heath: Search your library for a Forest or Plains card, put it onto the battlefield, then shuffle.

{T}, Pay 1 life, Sacrifice Wooded Foothills: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle.

{T}, Pay 1 life, Sacrifice Wooded Foothills: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle.

{T}, Pay 1 life, Sacrifice Wooded Foothills: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle.

{T}, Pay 1 life, Sacrifice Wooded Foothills: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle.

+1: Add X mana in any combination of {R} and/or {G}, where X is the number of creatures you control.

0: Create a 2/2 red and green Satyr creature token with haste.

-6: Exile the top seven cards of your library. You may put any number of creature and/or land cards from among them onto the battlefield.