So I guess that's two things Henry is good at, but in Magic it's exploiting creatures
You can only use this effect of "Mermail Abyssteus" once per turn
Its controller is rewarded whenever a Griffin does combat damage to a player, and the reward is the generation of more Griffins
Because Dark Mist's original ATK is 100, this ensures that it will wind up stronger than the monster it is battling
You can also use Canari to add 4 Pokmon to your hand, including Evolution Pokmon, while discarding a card (like a Basic Energy for Eelektriks Dynamotor!) Meowth ex s Last-Ditch Catch Ability can fetch any Supporter card from your deck (like Canari), effectively letting you search for any card in your deck under the right circumstances, while Fezandipiti ex s Flip the Script Ability draws you 3 cards if one of your Pokmon was Knocked Out last turn
Kicking off on February 1, the Savage Strike booster set brings Synchro Summoning to the Yu-Gi-Oh