"Card Face Redesign FAQ"
Its huge for a midrange deck, or even a control deck, even if you only trigger two of the four modes
Then there's Storm, Force of Nature, just one of the future of Magic's heroes, and the marquee cards from Universes Beyond like Marvel

Julius Jumblemorph Elanor Gardner General Tazri Gert and Old Lace, Runaways Gladiolus Amicitia Godo, Bandit Warlord Godo, Bandit Warlord Golos, Tireless Pilgrim Higure, the Still Wind Huatli, Poet of Unity Iname as One Iname, Death Aspect Iron Man, Titan of Innovation Isperia the Inscrutable Jennika, Bad Apple Big Sister Johnny, Combo Player Kaho, Minamo Historian Karametra, God of Harvests Kassandra, Eagle Bearer Kellan, the Fae-Blooded Kodama of the West Tree Korlash, Heir to Blackblade Kotose, the Silent Spider Kura, the Boundless Sky Lagomos, Hand of Hatred Light-Paws, Emperor's Voice Lin Sivvi, Defiant Hero Lo and Li, Twin Tutors Magda, Brazen Outlaw Mishra, Artificer Prodigy Molten Man, Inferno Incarnate Momir Vig, Simic Visionary Monstrosity of the Lake Nazahn, Revered Bladesmith Niambi, Faithful Healer Nissa, Vastwood Seer Oswald Fiddlebender Prime Speaker Vannifar Razaketh, the Foulblooded Rocco, Cabaretti Caterer Rocksteady, Crash Courser Sanar, Unfinished Genius Sazh Katzroy Scion of the Ur-Dragon Shaun & Rebecca, Agents Sidisi, Undead Vizier Silver Surfer, Galactus's Herald Sisay, Weatherlight Captain Sliver Overlord Spider-Man, Brooklyn Visionary Stockman, Mad Fly-entist Sun-Spider, Nimble Webber Sutina, Speaker of the Tajuru Thada Adel, Acquisitor The Earth King The First Doctor The Infernus The Masters of Evil Tiamat Vorinclex Yasharn, Implacable Earth

Since Grolnok allows exiled spells and lands with croak counters to be played, it can offer incredible card advantage , provided you have a fighting force of Frogs ready to attack each turn
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