You can send 1 Plant-Type monster from your hand or face-up from your side of the field to the Graveyard; choose 1 "Sylvan" card from your Deck and place it on top of the Deck. You can only use this effect of "Mount Sylvania" once per turn. Once per turn, during your opponent's End Phase: You can excavate the top card of your Deck, and if it is a Plant-Type monster, send it to the Graveyard. Otherwise, place it on either the top or bottom of your Deck.
Place 1 card from your hand on either the top or bottom of the Deck, and if you do, Special Summon 1 "Sylvan" monster from your hand or Graveyard. It is unaffected by other card effects this turn. Place it on either the top or bottom of the Deck during the End Phase.
Draw 3 cards, then, if you have a "Sylvan" card in your hand, reveal 2 cards from your hand including at least 1 "Sylvan" card, then place them on the top of the Deck in any order. Otherwise, reveal your entire hand, then place it on the top of the Deck in any order. You can only activate 1 "Sylvan Charity" per turn.
Each time an opponent's monster declares a direct attack: You can excavate the top card of your Deck, and if it is a Plant-Type monster, send it to the Graveyard. Otherwise, place it on the bottom of your Deck. During your Draw Phase, instead of conducting your normal draw: Excavate the top card of your Deck, and if it is a Plant-Type monster, send it to the Graveyard. Otherwise, add it to your hand.