TrampleLeviathan enters tapped and doesn't untap during your untap step.At the beginning of your upkeep, you may sacrifice two Islands. If you do, untap Leviathan.Leviathan can't attack unless you sacrifice two Islands. (This cost is paid as attackers are declared.)
Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)Whenever Shadowmage Infiltrator deals combat damage to a player, you may draw a card.
Flying: Dragon Whelp gets +1/+0 until end of turn. If this ability has been activated four or more times this turn, sacrifice Dragon Whelp at the beginning of the next end step.
Mindless Automaton enters with two +1/+1 counters on it., Discard a card: Put a +1/+1 counter on Mindless Automaton.Remove two +1/+1 counters from Mindless Automaton: Draw a card.
Kicker (You may pay an additional as you cast this spell.)Saproling creatures and other Treefolk creatures get +1/+1.When Verdeloth the Ancient enters, if it was kicked, create X 1/1 green Saproling creature tokens.
Gemstone Mine enters with three mining counters on it., Remove a mining counter from Gemstone Mine: Add one mana of any color. If there are no mining counters on Gemstone Mine, sacrifice it.
At the beginning of your upkeep, sacrifice Krosan Cloudscraper unless you pay .Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)
HasteEcho (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)When Avalanche Riders enters, destroy target land.
, : Exile target creature you control.At the beginning of your upkeep, you may sacrifice Safe Haven. If you do, return each card exiled with Safe Haven to the battlefield under its owner's control.