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'When this creature enters, you may search your library for an Elf card, reveal it, then shuffle and put that card on top.
{T}: Add one mana of any color.
'Islandwalk (This creature can't be blocked as long as defending player controls an Island.) When this creature enters, you may search your library for a Merfolk card, reveal it, then...
'When this creature enters, you may search your library for a Goblin card, reveal it, then shuffle and put that card on top.
'When this creature enters, you may search your library for a Giant card, reveal it, then shuffle and put that card on top.
When this creature enters, you may search your library for a Treefolk or Forest card, reveal it, then shuffle and put that card on top.
'Protection from non-Spirit creatures
Soulshift 4 (When this creature dies, you may return target Spirit card with mana value 4 or less from your graveyard to your hand.)
'Flying, deathtouch
Whenever you gain or lose life during your turn, Bats you control get +1/+0 and gain deathtouch until end of turn. This ability triggers only once each turn.
'Islandwalk (This creature can't be blocked as long as defending player controls an Island.) When this creature enters, you may search your library for a Merfolk card, reveal it, then...
'When this creature enters, you may search your library for an Elf card, reveal it, then shuffle and put that card on top.
{T}: Add one mana of any color.
'Flying, deathtouch
Whenever you gain or lose life during your turn, Bats you control get +1/+0 and gain deathtouch until end of turn. This ability triggers only once each turn.
'[+2]: You may discard a card. If you do, draw a card. [−2]: Exile target enchantment, tapped artifact, or tapped creature. [−8]: Search your library for an artifact or creature...
'When this creature enters, you may search your library for an Elemental card, reveal it, then shuffle and put that card on top.