Whenever Swift-Fingered Sneak enters or attacks, you may discard a card. If you do, draw a card.
“Threaten the life of an Ensouled, and they just laugh. Threaten their belongings, and they'll hunt you to the ends of the earth.” —Deleroi, Fourth Eye assassin
Whenever Twitchy Pyromancer enters or attacks, it deals 1 damage to any target. Whenever a creature dealt damage this way dies this turn, upgrade Twitchy Pyromancer. (Give it one of the listed counters it doesn't already have.) • +1/+1 • Menace • Prowess
Flying, haste Volcano Tyrant enters with a first strike counter on it. {2}{R}, Remove a first strike counter from Volcano Tyrant: Double its power and it gains trample until end of turn.
{G}: Tap Adaptive Troll. It gains indestructible until end of turn. At the beginning of each upkeep, if Adaptive Troll was dealt lethal damage last turn, put a counter of your choice on it from among vigilance, deathtouch, reach, trample, and +1/+1.
Sacrifice a permanent, then draw cards equal to its mana value. You may put a permanent card from your hand onto the battlefield if its mana value is less than or equal to the number of cards in your hand.
It is said that even centaurs can become Ensouled. The centaurs fervently deny such claims, and mercilessly hunt any among their kind who prove them right.
Chained Greatwolf enters with a defender counter on it. {3}{G}{G}, Remove a defender counter from Chained Greatwolf: Chained Greatwolf gets +5/+5 and gains trample until end of turn. Activate only during your turn.
(Add a quest counter as this enters. Sacrifice after 6.) Whenever you cast a permanent spell, add a quest counter. Choose a color that hasn't been chosen. Search your library for a permanent card that's exactly that color, reveal it, and put it into your hand. Then shuffle. Exile Collect the World Stones. For the rest of the game, you may spend mana as though it were mana of any color.
Whenever a land you control enters, upgrade target creature. (Give it one of the listed counters it doesn't already have.) • +1/+1 • Vigilance • Trample
Choose a creature type. Reveal cards from the top of your library until you reveal a card of the chosen type. Put that card into your hand and the rest on the bottom of your library in a random order.
“You're a strange woman, ‘Revela', but we need all the help we can get.” —Selvar, the Seeker
This spell can't be countered. Whenever one or more creatures with flying attack, upgrade Guided Sniper. (Give it one of the listed counters it doesn't already have.) • +1/+1 • Reach • Hexproof
(Add a quest counter as this enters. Sacrifice after 3.) Whenever you attack, add a quest counter. Upgrade target creature you control. (Give it one of the listed counters it doesn't already have.) • +1/+1 • Deathtouch Target attacking creature fights up to one other target creature.