Dimir Doppelganger

: Exile target creature card from a graveyard. Dimir Doppelganger becomes a copy of that card, except it has this ability.

Phytohydra

If damage would be dealt to Phytohydra, put that many +1/+1 counters on it instead.

Ursapine

: Target creature gets +1/+1 until end of turn.

Cerulean Sphinx

Flying
: Cerulean Sphinx’s owner shuffles it into their library.

Induce Paranoia

Counter target spell. If was spent to cast this spell, that spell’s controller mills X cards, where X is the spell’s converted mana cost.

Ursapine

: Target creature gets +1/+1 until end of turn.

Sleight of Hand

Look at the top two cards of your library. Put one of them into your hand and the other on the bottom of your library.

Giant Growth

Target creature gets +3/+3 until end of turn.

Maga, Traitor to Mortals

Maga, Traitor to Mortals enters the battlefield with X +1/+1 counters on it.
When Maga enters the battlefield, target player loses life equal to the number of +1/+1 counters on it.

Ogre Recluse

Whenever a player casts a spell, tap Ogre Recluse.

Kodama of the Center Tree

Kodama of the Center Tree’s power and toughness are each equal to the number of Spirits you control.
Kodama of the Center Tree has soulshift X, where X is the number of Spirits you control. (When this creature dies, you may return target Spirit card with converted mana cost X or less from your graveyard to your hand.)

Reciprocate

Exile target creature that dealt damage to you this turn.

Glacial Ray

Glacial Ray deals 2 damage to any target.
Splice onto Arcane (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card’s effects to that spell.)

Eerie Procession

Search your library for an Arcane card, reveal that card, and put it into your hand. Then shuffle your library.

Teller of Tales

Flying
Whenever you cast a Spirit or Arcane spell, you may tap or untap target creature.

Solarion

Sunburst (This enters the battlefield with a +1/+1 counter on it for each color of mana spent to cast it.)
: Double the number of +1/+1 counters on Solarion.

Thermal Navigator

Sacrifice an artifact: Thermal Navigator gains flying until end of turn.

Razormane Masticore

First strike (This creature deals combat damage before creatures without first strike.)
At the beginning of your upkeep, sacrifice Razormane Masticore unless you discard a card.
At the beginning of your draw step, you may have Razormane Masticore deal 3 damage to target creature.

Fleshgrafter

Discard an artifact card: Fleshgrafter gets +2/+2 until end of turn.

Bringer of the Green Dawn

You may pay rather than pay this spell’s mana cost.
Trample
At the beginning of your upkeep, you may create a 3/3 green Beast creature token.