Tarkir: Dragonstorm

Iridescent Tiger | Creature | Cat | When this creature enters, if you cast it, add {W}{U}{B}{R}{G}. | Fajareka Setiawan

Attuned Hunter | Creature | Human Ranger | Trample Whenever one or more cards leave your graveyard during your turn, put a +1/+1 counter on this creature. | Scott Murphy

Dragon Sniper | Creature | Human Archer | Vigilance, reach, deathtouch | David Auden Nash

Formation Breaker | Creature | Beast | Creatures with power less than this creature's power can't block it. As long as you control a creature with a counter on it, this creature gets +1/+2. | Eelis Kyttanen

Inspirited Vanguard | Creature | Human Soldier | Whenever this creature enters or attacks, it endures 2. (Put two +1/+1 counters on it or create a 2/2 white Spirit creature token.) | Carlos Palma Cruchaga

Rainveil Rejuvenator | Creature | Elephant Druid | When this creature enters, you may mill three cards. (You may put the top three cards of your library into your graveyard.) {T}: Add an amount of {G} equal to this creature's power. | Michele Giorgi

Sage of the Fang | Creature | Human Druid | When this creature enters, put a +1/+1 counter on target creature. Renew — {3}{G}, Exile this card from your graveyard: Put a +1/+1 counter on target creature, then double the number of +1/+1 counters on that creature. Activate only as a sorcery. | Ioannis Fiore

Traveling Botanist | Creature | Dog Scout | Whenever this creature becomes tapped, look at the top card of your library. If it's a land card, you may reveal it and put it into your hand. If you don't put the card into your hand, you may put it into your graveyard. | Daneen Wilkerson

Disruptive Stormbrood | Creature | Dragon | Flying When this creature enters, destroy up to one target artifact or enchantment. | Edgar Sánchez Hidalgo

Kishla Skimmer | Creature | Bird Scout | Flying Whenever a card leaves your graveyard during your turn, draw a card. This ability triggers only once each turn. | James Ryman

Host of the Hereafter | Creature | Zombie Warlock | This creature enters with two +1/+1 counters on it. Whenever this creature or another creature you control dies, if it had counters on it, put its counters on up to one target creature you control. | Annie Stegg

Stalwart Successor | Creature | Human Warrior | Menace (This creature can't be blocked except by two or more creatures.) Whenever one or more counters are put on a creature you control, if it's the first time counters have been put on that creature this turn, put a +1/+1 counter on that creature. | Bastien L. Deharme

Armament Dragon | Creature | Dragon | Flying When this creature enters, distribute three +1/+1 counters among one, two, or three target creatures you control. | Maxime Minard

Skirmish Rhino | Creature | Rhino | Trample When this creature enters, each opponent loses 2 life and you gain 2 life. | James Bousema

Kheru Goldkeeper | Creature | Dragon | Flying Whenever one or more cards leave your graveyard during your turn, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.") Renew — {2}{B}{G}{U}, Exile this card from your graveyard: Put two +1/+1 counters and a flying counter on target creature. Activate only as a sorcery. | Randy Vargas

Karakyk Guardian | Creature | Dragon | Flying, vigilance, trample This creature has hexproof if it hasn't dealt damage yet. (It can't be the target of spells or abilities your opponents control.) | Joe Slucher