"Larry Elmore" (11)
If you control two or more other lands, Cave of the Frost Dragon enters the battlefield tapped.
: Add .
: Cave of the Frost Dragon becomes a 3/4 white Dragon creature with flying until end of turn. It's still a land.
Flying
Threshold — As long as seven or more cards are in your graveyard, Childhood Horror gets +2/+2 and can't block.
Enchant creature
All creatures able to block enchanted creature do so.
You and target opponent each flip a coin. Mana Clash deals 1 damage to each player whose coin comes up tails. Repeat this process until both players' coins come up heads on the same flip.
: Target red or white creature gains trample until end of turn. (It can deal excess combat damage to the player or planeswalker it's attacking.)
Vigilance
Threshold — As long as seven or more cards are in your graveyard, Mystic Penitent gets +1/+1 and has flying.
Seafloor Debris enters the battlefield tapped.
, Sacrifice Seafloor Debris: Add one mana of any color.
, : Thornscape Master deals 2 damage to target creature.
, : Target creature gains protection from the color of your choice until end of turn.
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