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Craterhoof Behemoth | Creature | Beast | Haste
When this creature enters, creatures you control gain trample and get +X/+X until end of turn, where X is the number of creatures you control. | Magali Villeneuve
Betor, Kin to All | Legendary Creature | Spirit Dragon | Flying
At the beginning of your end step, if creatures you control have total toughness 10 or greater, draw a card. Then if creatures you control have total toughness 20 or greater, untap each creature you control. Then if creatures you control have total toughness 40 or greater, each opponent loses half their life, rounded up. | Alexander Ostrowski
Perennation | Sorcery | | Return target permanent card from your graveyard to the battlefield with a hexproof counter and an indestructible counter on it. | Eli Minaya
Death Begets Life | Sorcery | | Destroy all creatures and enchantments. Draw a card for each permanent destroyed this way. | Justin Hernandez & Alexis Hernandez
Teval, Arbiter of Virtue | Legendary Creature | Spirit Dragon | Flying, lifelink
Spells you cast have delve. (Each card you exile from your graveyard while casting those spells pays for {1}.)
Whenever you cast a spell, you lose life equal to its mana value. | Alexander Ostrowski
Dragonback Assault | Enchantment | | When this enchantment enters, it deals 3 damage to each creature and each planeswalker.
Landfall — Whenever a land you control enters, create a 4/4 red Dragon creature token with flying. | Ryan Pancoast
Ureni, the Song Unending | Legendary Creature | Spirit Dragon | Flying, protection from white and from black
When Ureni enters, it deals X damage divided as you choose among any number of target creatures and/or planeswalkers your opponents control, where X is the number of lands you control. | Alexander Ostrowski
Call the Spirit Dragons | Enchantment | | Dragons you control have indestructible.
At the beginning of your upkeep, for each color, put a +1/+1 counter on a Dragon you control of that color. If you put +1/+1 counters on five Dragons this way, you win the game. | Liiga Smilshkalne
