Anger [Mystery Booster]

Anger [Mystery Booster]Set: Mystery Booster Type: Creature Incarnation Rarity: Uncommon Cost: {3}{R} Haste As long as Anger is in your graveyard and you control a Mountain, creatures you control have haste. "Molten earth has no anger of its own. Only by infusing it with your own rage can the magma seethe and take shape." Koth of the Hammer

where X is the number of creatures on the battlefield

Set: Saviors of Kamigawa Type: Creature — Human Advisor Rarity: Uncommon Cost: {U} Your maximum hand size is increased by two

Winter Sky deals 1 damage to each creature and each player

the Evening Star dies

Set: Ixalan Prerelease Promos Type: Legendary Creature — Vampire Knight Rarity: Mythic Cost: {3}{W}{B} Vigilance

Set: Dragon's Maze Type: Instant Rarity: Rare Cost: {1}{U}{R} Until end of turn

Dominaria's fire still burned hot

you may have target creature get +1/+1 until end of turn

Set: Tenth Edition Type: Artifact Rarity: Uncommon Cost: {2} Whenever a player casts a black spell

transform Daybreak Ranger

"The fatal flaw in every plan is the assumption that you know more than your enemy

Activate only if you control a Swamp