Vigilance (Attacking doesn't cause this creature to tap.)
Warden of the Beyond gets +2/+2 as long as an opponent owns a card in exile.

Whenever an opponent discards a creature card, create a 2/2 black Zombie creature token.
Whenever an opponent discards a land card, add .
Whenever an opponent discards a noncreature, nonland card, draw a card.

Flying (This creature can't be blocked except by creatures with flying or reach.)
Welkin Tern can block only creatures with flying.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)

Hexproof (This creature can't be the target of spells or abilities your opponents control.)
: Until end of turn, Xathrid Slyblade loses hexproof and gains first strike and deathtouch. (It deals combat damage before creatures without first strike. Any amount of damage it deals to a creature is enough to destroy it.)

: Add .
: Add or . Yavimaya Coast deals 1 damage to you.

, , Put a verse counter on Yisan, the Wanderer Bard: Search your library for a creature card with converted mana cost equal to the number of verse counters on Yisan, put it onto the battlefield, then shuffle your library.

: Zof Shade gets +2/+2 until end of turn.