Colorless spells you cast cost less to cast.+1: Exile the top card of your library face down and look at it. Create a 2/2 colorless Spirit creature token. When that token leaves the battlefield, put the exiled card into your hand.−3: Destroy target permanent that's one or more colors.
During your turn, Gideon Blackblade is a 4/4 Human Soldier creature with indestructible that's still a planeswalker.Prevent all damage that would be dealt to Gideon Blackblade during your turn.+1: Up to one other target creature you control gains your choice of vigilance, lifelink, or indestructible until end of turn.−6: Exile target nonland permanent.
Whenever you cast a noncreature spell, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
Exile target permanent you control. Return that card to the battlefield under its owner's control at the beginning of the next end step. If it enters as a creature, it enters with an additional +1/+1 counter on it.
Whenever you tap a Forest for mana, add an additional .+1: Put three +1/+1 counters on up to one target noncreature land you control. Untap it. It becomes a 0/0 Elemental creature with vigilance and haste that's still a land.−8: You get an emblem with "Lands you control have indestructible." Search your library for any number of Forest cards, put them...
TrampleWhenever Dreadhorde Arcanist attacks, you may cast target instant or sorcery card with mana value less than or equal to Dreadhorde Arcanist's power from your graveyard without paying its mana cost. If that spell would be put into your graveyard, exile it instead.
You may cast creature spells as though they had flash.+1: Until your next turn, up to one target creature gains vigilance and reach.−2: Look at the top three cards of your library. Exile one face down and put the rest on the bottom of your library in any order. For as long as it remains exiled, you may cast it if it's a creature spell.
Your opponents and permanents your opponents control with hexproof can be the targets of spells and abilities you control as though they didn't have hexproof.−3: Exile target creature.
Creatures you control get +1/+0.+1: Add or . Creature spells you cast this turn can't be countered.−2: Target creature you control fights target creature you don't control.