This land enters tapped.: Add or .: Until end of turn, this land becomes a 1/4 blue and red Elemental creature with ": Switch this creature's power and toughness until end of turn." It's still a land.
This land enters tapped.: Add or .: Until end of turn, this land becomes a 3/3 red and green Elemental creature with "Whenever this creature attacks, put a +1/+1 counter on it." It's still a land.
This land enters with a charge counter on it.: Add ., : Put X charge counters on this land., , Sacrifice this land: Destroy each nonland permanent with mana value equal to the number of charge counters on this land.
This land enters tapped. As it enters, choose a color.: Add one mana of the chosen color.: Add two mana of the chosen color. Spend this mana only to activate abilities of land sources.
This land enters tapped.: Add or .: Until end of turn, this land becomes a 4/4 white and blue Elemental creature with flying and vigilance. It's still a land.
: Add ., : Exile target creature you control., , Sacrifice this land: Return each creature card exiled with this land to the battlefield under its owner's control.
: Add ., : Exile target attacking creature an opponent controls. At the beginning of the next end step, return it to the battlefield tapped under its owner's control.
This land enters tapped.: Add or .: This land becomes a 3/2 blue and black Elemental creature until end of turn and can't be blocked this turn. It's still a land.
Whenever a creature deals combat damage to you, that creature's controller gains control of this land.: Add ., : Attacking creatures get +1/+0 until end of turn.