Howl: When you play Entei from your hand, you may discard the top 5 cards of your deck. (If you have fewer cards in your deck than that, discard all of them.) If any of those are Energy cards, attach them to any of your Pokémon of your choice. Using this power ends your turn.
Cost
Name
Effect
Power
Searing Flames
Discard 2 Energy cards attached to Entei or this attack does nothing.
60
Illustrator: Ken Sugimori
Neo Revelation 6/64 (Holographic)
ENTEI
Basic Pokémon
Hit Points
60
Type
Fire
Weakness
Water
Resistance
Retreat Cost
Level
24
Poké-POWER
Legendary Body: As long as Entei is your Active Pokémon, Entei and Energy cards attached to it aren't affected by effects from Trainer cards other than Stadium cards. As long as this Power is active, discard any Trainer cards attached to Entei. (This power works even if Entei is Asleep, Confused, or Paralyzed.)
Cost
Name
Effect
Power
Mega Flame
Flip 2 coins. For each tails, discard 1 Energy card from Entei, if it has any.
50
Illustrator: Naoyo Kimura
Neo Revelation 17/64 (Rare)
ENTEI
Basic Pokémon
Hit Points
70
Type
Fire
Weakness
Water
Resistance
Retreat Cost
ID
B-61-#
Poké-BODY
Pure Body: To attach a Energy card from your hand to Entei, you must discard an Energy card attached to Entei. (Attach the Energy, and then discard an Energy from Entei.)
Cost
Name
Effect
Power
Burning Fang
You may flip a coin. If heads, discard a Energy card attached to Entei and the Defending Pokémon is now Burned.
40
Illustrator: Atsuko Nishida
Aquapolis H8/H32 (Holographic)
ENTEI
Basic Pokémon
Hit Points
70
Type
Fire
Weakness
Water
Resistance
Retreat Cost
ID
D-61-#
Poké-BODY
Pure Body: To attach a Energy card from your hand to Entei, you must discard an Energy card attached to Entei. (Attach the Energy, and then discard an Energy from Entei.)
Cost
Name
Effect
Power
Burning Fang
You may flip a coin. If heads, discard a Energy card attached to Entei and the Defending Pokémon is now Burned.
40
Illustrator: Atsuko Nishida
Aquapolis 10/147 (Rare)
ENTEI EX
Basic/ex Pokémon
When Pokémon-ex has been Knocked Out, your opponent takes 2 Prize cards.
Hit Points
100
Type
Fire
Weakness
Water
Resistance
Retreat Cost
Level
Cost
Name
Effect
Power
Searing Flame
Flip a coin. If heads, the Defending Pokémon is now Burned.
10
Bright Flame
Discard 2 Energy attached to Entei ex.
90
Illustrator: Ryo Ueda
EX Team Magma VS Team Aqua 91/95 (Ex Holographic)
ROCKET'S ENTEI EX
Basic/ex Pokémon
When Pokémon-ex has been Knocked Out, your opponent takes 2 Prize cards.
Hit Points
100
Type
Darkness
Weakness
Water
Resistance
Retreat Cost
Level
Poké-BODY
Dark Condition: As long as Rocket's Entei ex has any Energy attached to it, Rocket's Entei ex has no Weakness.
Cost
Name
Effect
Power
Energy Link
Search your discard pile for an Energy card and attach it to Rocket's Entei ex.
10
Volcanic Ash
Discard 2 Energy attached to Rocket's Entei ex and then choose 1 of your opponent's Pokémon. This attack does 60 damage to that Pokémon. (Don't apply Weakness and Resistance for Benched Pokémon.)
Illustrator: Ryo Ueda
EX Team Rocket Returns 97/109 (Ex Holographic)
ENTEI
Basic Pokémon
Hit Points
80
Type
Fire
Weakness
Water
Resistance
Retreat Cost
Level
Poké-POWER
Bolt: Whenever your opponent's attack damages Entei, unless that attack Knocks Out Entei, Flip a coin. If heads, shuffle Entei and all cards attached to it into your deck. This Power can't be used if Entei is already Asleep, Confused, or Paralyzed when it is damaged.
Cost
Name
Effect
Power
Protective Flame
During your opponent's next turn, prevent all effects of attacks, including damage, done to your Benched Pokémon.
50
Illustrator: Ken Sugimori
Promo 34 (Promo (Reverse Holographic))
ENTEI *
Basic/Shining Pokémon
You can't have more than 1 Pokémon * in your deck.
Hit Points
80
Type
Fire
Weakness
Water
Resistance
Retreat Cost
Level
Cost
Name
Effect
Power
Burning Turn
Switch Entei * with 1 of your Benched Pokémon.
20
Detonation
If you have less Prize cards left than your opponent, discard the top 10 cards from your deck.
Energy cards, attach them to any of your 
Energy attached to it, Rocket's Entei ex has no Weakness.