Snow-Covered Plains

Sliver Overlord

{3}: Search your library for a Sliver card, reveal that card, put it into your hand, then shuffle.
{3}: Gain control of target Sliver. (This effect lasts indefinitely.)

Plains

Elspeth, Knight-Errant Emblem

Elspeth, Knight-Errant

Soldier

+1: Create a 1/1 white Soldier creature token.
+1: Target creature gets +3/+3 and gains flying until end of turn.
−8: You get an emblem with "Artifacts, creatures, enchantments, and lands you control have indestructible."

Patron Wizard

Tap an untapped Wizard you control: Counter target spell unless its controller pays {1}.

Berserk

Cast this spell only before the combat damage step.
Target creature gains trample and gets +X/+0 until end of turn, where X is its power. At the beginning of the next end step, destroy that creature if it attacked this turn.

Verduran Enchantress

Whenever you cast an enchantment spell, you may draw a card.

Triumphant Reckoning

Return all artifact, enchantment, and planeswalker cards from your graveyard to the battlefield.

Savor the Moment

Take an extra turn after this one. Skip the untap step of that turn.

Alesha, Who Smiles at Death

First strike
Whenever Alesha attacks, you may pay {W/B}{W/B}. If you do, return target creature card with power 2 or less from your graveyard to the battlefield tapped and attacking.

Bearscape

Bear

{1}{G}, Exile two cards from your graveyard: Create a 2/2 green Bear creature token.

Collective Voyage

Join forces — Starting with you, each player may pay any amount of mana. Each player searches their library for up to X basic land cards, where X is the total amount of mana paid this way, puts them onto the battlefield tapped, then shuffles.

Heartbeat of Spring

Whenever a player taps a land for mana, that player adds one mana of any type that land produced.

Sol Ring

Mana Confluence

{T}, Pay 1 life: Add one mana of any color.

Secret Lair Drop