Whenever one or more other creatures you control die, each opponent loses 2 life and you gain 2 life. This ability triggers only once each turn.
Counter target noncreature spell. Its controller creates two Treasure tokens. (They're artifacts with "T, Sacrifice this token: Add one mana of any color.")
Whenever an opponent plays a spell, that player sacrifices a permanent unless he or she pays 1.
Whenever a player taps a Mountain, Forest, or Plains for mana, that player adds one mana to his or her mana pool of any type that land produced.
Hexproof (This creature can't be the target of spells or abilities your opponents control.) Invisible Stalker is unblockable.
Obliterate can’t be countered. Destroy all artifacts, creatures, and lands. They can’t be regenerated.
If a creature would come into play under an opponent's control this turn, it comes into play under your control instead.
Whenever Elvish Mariner attacks, scry 1. Whenever you scry, tap up to X target nonland permanents, where X is the number of cards looked at while scrying this way.
Return a Forest you control to its owner's hand: Untap target creature. Activate only once each turn.
2WW, T, Exile Urza's Sylex: Each player chooses six lands they control. Destroy all other permanents. Activate only as a sorcery. When Urza's Sylex is put into exile from the battlefield, you may pay 2. If you do, search your library for a planeswalker card, reveal it, put it into your hand, then shuffle.
Look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order. Proliferate.
Haste Whenever Squee, Dubious Monarch attacks, create a 1/1 red Goblin creature token that's tapped and attacking. You may cast Squee, Dubious Monarch from your graveyard by paying 3R and exiling four other cards from your graveyard rather than paying its mana cost.
Enchant land When Spreading Seas enters the battlefield, draw a card. Enchanted land is an Island.
Choose two target creature cards in your graveyard. Sacrifice a creature. If you do, return the chosen cards to the battlefield tapped.