You cannot Special Summon monsters the turn you activate this card, except "Valkyrie" monsters
So now lets ask: what does that do to us
Deck Filters Gathering Place 7.5%inclusion -1%synergy 12 decks 160 decks Matt Murdock, Justice Seeker 6.0%inclusion 5%synergy 9 decks 151 decks Training Regimen 5.3%inclusion 4%synergy 8 decks 151 decks The Unbeatable Squirrel Girl 4.3%inclusion 3%synergy 7 decks 161 decks Heroic Feast 4.0%inclusion 2%synergy 6 decks 151 decks High Synergy Cards Galadriel, Gift-Giver 41%inclusion 40%synergy 459 decks 1.13K decks Arwen, Weaver of Hope 39%inclusion 35%synergy 442 decks 1.13K decks Lathiel, the Bounteous Dawn 38%inclusion 33%synergy 431 decks 1.13K decks Hamza, Guardian of Arashin 36%inclusion 31%synergy 412 decks 1.13K decks Rosie Cotton of South Lane 38%inclusion 30%synergy 426 decks 1.13K decks Conclave Mentor 39%inclusion 28%synergy 444 decks 1.13K decks Rishkar, Peema Renegade 37%inclusion 28%synergy 417 decks 1.13K decks Abzan Falconer 41%inclusion 28%synergy 468 decks 1.13K decks Inspiring Call 45%inclusion 28%synergy 513 decks 1.13K decks Hardened Scales 45%inclusion 27%synergy 511 decks 1.13K decks Top Cards Swords to Plowshares 54%inclusion -11%synergy 612 decks 1.13K decks Path to Exile 51%inclusion -3%synergy 573 decks 1.13K decks Cultivate 48%inclusion 6%synergy 537 decks 1.13K decks Llanowar Elves 44%inclusion 15%synergy 502 decks 1.13K decks Kutzil, Malamet Exemplar 37%inclusion 5%synergy 423 decks 1.13K decks Champion of Lambholt 37%inclusion 16%synergy 422 decks 1.13K decks Kami of Whispered Hopes 35%inclusion 23%synergy 400 decks 1.13K decks Rampant Growth 34%inclusion 1%synergy 389 decks 1.13K decks Doubling Season 33%inclusion 16%synergy 370 decks 1.13K decks Heroic Intervention 32%inclusion -4%synergy 361 decks 1.13K decks Game Changers Teferi's Protection 15%inclusion -1%synergy 168 decks 1.13K decks Smothering Tithe 12%inclusion -1%synergy 135 decks 1.13K decks Aura Shards 11%inclusion -4%synergy 123 decks 1.13K decks Farewell 10%inclusion -2%synergy 115 decks 1.13K decks The One Ring 8.5%inclusion 5%synergy 96 decks 1.13K decks Enlightened Tutor 7.0%inclusion -7%synergy 79 decks 1.13K decks Worldly Tutor 7.0%inclusion -4%synergy 79 decks 1.13K decks Gaea's Cradle 5.4%inclusion -1%synergy 61 decks 1.13K decks Creatures Soul Warden 32%inclusion 21%synergy 359 decks 1.13K decks Avacyn's Pilgrim 32%inclusion -3%synergy 359 decks 1.13K decks Elvish Mystic 31%inclusion 10%synergy 354 decks 1.13K decks Essence Warden 30%inclusion 22%synergy 337 decks 1.13K decks Nykthos Paragon 29%inclusion 24%synergy 323 decks 1.13K decks Arwen, Mortal Queen 26%inclusion 24%synergy 291 decks 1.13K decks Torens, Fist of the Angels 26%inclusion 19%synergy 291 decks 1.13K decks Queen Allenal of Ruadach 25%inclusion 19%synergy 283 decks 1.13K decks Envoy of the Ancestors 24%inclusion 18%synergy 271 decks 1.13K decks Beast Whisperer 24%inclusion 8%synergy 270 decks 1.13K decks Peregrin Took 23%inclusion 19%synergy 262 decks 1.13K decks Adeline, Resplendent Cathar 22%inclusion 13%synergy 243 decks 1.13K decks Evolution Witness 21%inclusion 16%synergy 240 decks 1.13K decks Haliya, Ascendant Cadet 20%inclusion 16%synergy 131 decks 664 decks Wose Pathfinder 19%inclusion 19%synergy 220 decks 1.13K decks Birds of Paradise 19%inclusion -5%synergy 218 decks 1.13K decks Sovereign Okinec Ahau 19%inclusion 10%synergy 214 decks 1.13K decks Ghalta and Mavren 19%inclusion 14%synergy 213 decks 1.13K decks Abzan Battle Priest 18%inclusion 13%synergy 200 decks 1.13K decks Gyre Sage 17%inclusion 11%synergy 196 decks 1.13K decks Gandalf, White Rider 16%inclusion 16%synergy 186 decks 1.13K decks Esper Sentinel 16%inclusion -1%synergy 179 decks 1.13K decks Trelasarra, Moon Dancer 16%inclusion 12%synergy 179 decks 1.13K decks Armorcraft Judge 16%inclusion 11%synergy 178 decks 1.13K decks Tuskguard Captain 16%inclusion 12%synergy 178 decks 1.13K decks Butterbur, Bree Innkeeper 15%inclusion 15%synergy 174 decks 1.13K decks Mikaeus, the Lunarch 15%inclusion 7%synergy 173 decks 1.13K decks Rhys the Redeemed 15%inclusion 11%synergy 170 decks 1.13K decks King Darien XLVIII 15%inclusion 8%synergy 170 decks 1.13K decks Emmara, Soul of the Accord 15%inclusion 12%synergy 169 decks 1.13K decks Good-Fortune Unicorn 14%inclusion 6%synergy 162 decks 1.13K decks Evolution Sage 14%inclusion 10%synergy 161 decks 1.13K decks Maja, Bretagard Protector 14%inclusion 4%synergy 156 decks 1.13K decks Exemplar of Light 13%inclusion 8%synergy 137 decks 1.04K decks Ouroboroid 13%inclusion 8%synergy 88 decks 673 decks Cadira, Caller of the Small 13%inclusion 7%synergy 145 decks 1.13K decks Delighted Halfling 13%inclusion 3%synergy 142 decks 1.13K decks Fyndhorn Elves 12%inclusion 0%synergy 139 decks 1.13K decks Landroval, Horizon Witness 12%inclusion 12%synergy 137 decks 1.13K decks Frodo, Determined Hero 12%inclusion 12%synergy 133 decks 1.13K decks Scute Swarm 12%inclusion 4%synergy 131 decks 1.13K decks Meriadoc Brandybuck 12%inclusion 10%synergy 130 decks 1.13K decks Protector of Gondor 11%inclusion 11%synergy 128 decks 1.13K decks Westfold Rider 11%inclusion 11%synergy 124 decks 1.13K decks Reclamation Sage 11%inclusion 4%synergy 121 decks 1.13K decks Aragorn, Company Leader 11%inclusion 10%synergy 119 decks 1.13K decks Generous Ent 10%inclusion 10%synergy 118 decks 1.13K decks Soul's Attendant 10%inclusion 4%synergy 117 decks 1.13K decks Eternal Witness 10%inclusion -5%synergy 116 decks 1.13K decks Elvish Archdruid 10%inclusion 8%synergy 113 decks 1.13K decks Instants Beast Within 29%inclusion -7%synergy 331 decks 1.13K decks March of the Multitudes 27%inclusion 18%synergy 307 decks 1.13K decks Unbreakable Formation 27%inclusion 13%synergy 302 decks 1.13K decks Generous Gift 24%inclusion -7%synergy 275 decks 1.13K decks Pledge of Unity 21%inclusion 17%synergy 239 decks 1.13K decks Aura Mutation 14%inclusion 6%synergy 162 decks 1.13K decks You Cannot Pass
Furthermore, we are unable to replace cards
