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'{2}{U}, {T}: Draw a card, then discard a card.
'Vigilance, haste
Valiant — Whenever this creature becomes the target of a spell or ability you control for the first time each turn, put a +1/+1 counter on it.
'Spells your opponents cast that target a creature or planeswalker you control cost {2} more to cast. [−2]: Create a 2/2 blue Wizard creature token. Draw a card, then discard...
'Haste
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
Instant and sorcery spells you cast cost {1} less to cast.
'Whenever another creature you control with power 2 or less enters, you may pay {1}. If you do, draw a card.
'Whenever you expend 4, put a +1/+1 counter on this creature. (You expend 4 as you spend your fourth total mana to cast spells during a turn.) {T}: Add {R}...
'Whenever an opponent activates an ability of an artifact, creature, or land on the battlefield, if it isn't a mana ability, this creature deals 2 damage to that player.
'Whenever an opponent activates an ability of an artifact, creature, or land on the battlefield, if it isn't a mana ability, this creature deals 2 damage to that player.
As an additional cost to cast this spell, behold a Merfolk or pay {2}. (To behold a Merfolk, choose a Merfolk you control or reveal a Merfolk from your hand.)...
'Haste
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
Instant and sorcery spells you cast cost {1} less to cast.
'When Way of the Mentor enters, empower Jace 5. (Put five loyalty counters on a Jace token you control. If you don't control one, first create a blue Jace planeswalker...
'If one or more +1/+1 counters would be put on a creature you control, that many plus one +1/+1 counters are put on that creature instead. When this creature dies,...