While Snow Mercy only gives those creatures counters, you can use Snow Mercy to tab down those creatures, and the fun part here comes with how you activated that ability because you have to tap, then untap, then tap, then untap, then tap Snow Mercy

Drawing Cards with Nymris | Commander | Jason Alt Commander (1) 1 Nymris, Oona's Trickster Creatures (21) 1 Brazen Borrower 1 Brineborn Cutthroat 1 Crafty Cutpurse 1 Cunning Nightbonder 1 Dream Eater 1 Hullbreacher 1 Lochmere Serpent 1 Naiad of Hidden Coves 1 Nimble Obstructionist 1 Notion Thief 1 Opposition Agent 1 Portal Mage 1 Slitherwisp 1 Snapcaster Mage 1 Spectral Sailor 1 Stunt Double 1 Thassa's Oracle 1 Torrential Gearhulk 1 Venser, Shaper Savant 1 Voracious Greatshark 1 Wavebreak Hippocamp Planeswalkers (1) 1 Jace, Wielder of Mysteries Instants (31) 1 Aetherize 1 Arcane Denial 1 Brainstorm 1 Commandeer 1 Counterspell 1 Countersquall 1 Cyclonic Rift 1 Deadly Rollick 1 Desertion 1 Dig Through Time 1 Drown in the Loch 1 Fact or Fiction 1 Fierce Guardianship 1 Frantic Search 1 Gather Specimens 1 Go for the Throat 1 Impulse 1 Mana Drain 1 Mystical Teachings 1 Mystical Tutor 1 Narset's Reversal 1 Negate 1 Opt 1 Pongify 1 Rapid Hybridization 1 Reality Shift 1 Rewind 1 Spelljack 1 Swan Song 1 Unwind 1 Vampiric Tutor Enchantments (4) 1 Faerie Tauntings 1 Omen of the Dead 1 Omen of the Sea 1 Rhystic Study Artifacts (9) 1 Arcane Signet 1 Charcoal Diamond 1 Dimir Signet 1 Fellwar Stone 1 Mind Stone 1 Sky Diamond 1 Sol Ring 1 Talisman of Dominance 1 Thought Vessel This almost feels like a tribal deck to me - we have Cunning Nightbonder and Niad of Hidden Coves reducing the cost of our "flash tribal" cards and that's as many warchiefs as most tribes get

The more plentiful Gold Stars also grade poorly: Charizards roughly 4,800 graded copies include only about 98 PSA 10s, a rate near 2%
I had the kids last weekend, but I was able to attend a Friday midnight prerelease
People are always more interesting sneaky, cheeky, creative, fun than AI, and turn times are well-balanced to give you enough time to strategise, with timeouts that prevent you from dithering too long
Preferred Printing Feature Finally Here Years after releasing, MTG Arena finally has the technology to allow players to favorite certain versions of cards to be used when building decks