Whenever a creature enters the battlefield, Æther Flash deals 2 damage to it.
Flying
Whenever Amphibious Kavu blocks or becomes blocked by one or more blue and/or black creatures, Amphibious Kavu gets +3/+3 until end of turn.
Black spells you cast cost more to cast.
: Andradite Leech gets +1/+1 until end of turn.
, Discard an artifact card: Search your library for an artifact card with converted mana cost 1 or less, reveal that card, and put it into your hand. Then shuffle your library.
Choose two — Destroy all artifacts; or destroy all enchantments; or destroy all creatures with converted mana cost 3 or less; or destroy all creatures with converted mana cost 4 or greater.
Whenever a player casts a spell, that player gains X life, where X is the number of cards in all graveyards with the same name as that spell.
, Discard a card: Return Balshan Griffin to its owner's hand.
Bushido 2 (When this blocks or becomes blocked, it gets +2/+2 until end of turn.)
Battle-Mad Ronin attacks each turn if able.
Threshold — As long as seven or more cards are in your graveyard, Battlewise Aven gets +1/+1 and has first strike.
When Beetleback Chief enters the battlefield, put two 1/1 red Goblin creature tokens onto the battlefield.
Choose one — Destroy target creature; or return target creature card from your graveyard to the battlefield.
Entwine—Sacrifice three lands. (Choose both if you pay the entwine cost.)
Prevent all combat damage that would be dealt by target attacking or blocking creature this turn. If was spent to cast Boros Fury-Shield, it deals damage to that creature's controller equal to the creature's power.
Add to your mana pool for each Goblin on the battlefield.
Whenever a player casts a spell, counter that spell unless that player pays , where X is the number of cards in all graveyards with the same name as the spell.
Enchant land
Enchanted land has ", Discard a card: Gain control of target creature until end of turn."
Counter target spell. Search its controller's graveyard, hand, and library for all cards with the same name as that spell and exile them. Then that player shuffles his or her library.
: Target creature with power 2 or less is unblockable this turn.
Enchant creature
Enchanted creature gets +2/-1.
Sacrifice Crown of Suspicion: Enchanted creature and other creatures that share a creature type with it get +2/-1 until end of turn.
Choose two — Counter target spell; or return target permanent to its owner's hand; or tap all creatures your opponents control; or draw a card.
: Darkthicket Wolf gets +2/+2 until end of turn. Activate this ability only once each turn.
Tap all creatures without flying.
Sacrifice a creature: Devouring Swarm gets +1/+1 until end of turn.
Flash
When Dewdrop Spy enters the battlefield, look at the top card of target player's library.
, : Target creature gains flying and becomes blue until end of turn.
, Discard an artifact card: Search your library for an artifact card with converted mana cost 1 or less, reveal that card, and put it into your hand. Then shuffle your library.