Alsei, the Sylvan High Protector

 This card is named after the alseis, a genus of plants.

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This card is based on Byakko, the guardian of the West, one of the Four Symbols of the Chinese constellations.

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This card has the highest DEF of all Plant-Type monsters.

TCG Rulings

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{{RulingFlagged">TCGJudgeProgram =
In place of declaring a FULL card name, a precise description of a card's stats, appearance, and/or effects, is considered acceptable so long as both players are in clear agreement over which card is being described.: Question/Mind Crush/Prohibition/ETC vs. Card Names

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OCG Rulings

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The "Once per turn: You can declare 1 card name" effect is an Ignition Effect. The card name is declared when the effect is activated, but the card from the Deck is revealed when the effect resolves. The "if it is the declared card, add it to your hand. Otherwise, send it to the Graveyard." is also performed when the effect resolves.: Alsei, the Sylvan High Protector

The "Once per turn: You can declare 1 card name" effect can be activated even if this card has no Xyz Materials.

The "place that target on either the top or bottom of the Deck." effect is a Trigger Effect. (This effect targets 1 card on the field.)

Detaching 1 Xyz Material from this card is a cost to activate the "place that target on either the top or bottom of the Deck." effect.

The "place that target on either the top or bottom of the Deck." effect can be activated even if a card is sent from your Deck to the Graveyard by the effect of other cards.