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'Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.
'Whenever a creature you control enters, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter...
'Whenever a creature you control enters, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter...
'{T}: Add {C}.
{T}: Each player gains control of all creatures they own.
'Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.
'As this land enters, you may reveal a Mountain or Forest card from your hand. If you don't, this land enters tapped.
{T}: Add {R} or {G}.
'Each player exiles a creature they control. Until the Hydra's next turn, when a Head leaves the battlefield, return the exiled cards to the battlefield under their owners' control.
'Vigilance
When Loran enters, destroy up to one target artifact or enchantment.
{T}: You and target opponent each draw a card.
'This land enters tapped. {T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature...
'This land enters tapped. {T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature...
'Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.