The strongest aspect of the card is the ability to create an emblem which will permanently give your creatures haste, and the ability to tap them to deal direct damage to the target creature or player based on their power
A good idea for deck building is to use cards that have similar strategies to compound how much of an effect they have
Blooming Waters is an example of a product that requires an oddly dimensioned box and could cost more to ship than you or your customer would like to pay
What is the Difference Between Gift on a Permanent and an Instant or Sorcery
There appears to be very little if any originality in the sketches, outside of the shading

Open Hostility Saskia the Unyielding | Illustration by Greg Opalinski Commander (1) Creature (29) Wight of Precinct Six Den Protector Quirion Explorer Sakura-Tribe Elder Sylvok Explorer Korozda Guildmage Zhur-Taa Druid Selesnya Guildmage Mentor of the Meek Mirror Entity Alesha, Who Smiles at Death Taurean Mauler Managorger Hydra Wild Beastmaster Tymna the Weaver Wilderness Elemental Dauntless Escort Brutal Hordechief Charging Cinderhorn Thelonite Hermit Tana, the Bloodsower Iroas, God of Victory Mycoloth Ravos, Soultender Ankle Shanker Thunderfoot Baloth Stalking Vengeance Stonehoof Chieftain Primeval Protector Instant (12) Terminate Artifact Mutation Boros Charm Aura Mutation Abzan Charm Naya Charm Crackling Doom Grab the Reins Utter End Sylvan Reclamation Divergent Transformations Order // Chaos Sorcery (7) Farseek Rampant Growth Shamanic Revelation Grave Upheaval Treacherous Terrain Clan Defiance Lavalanche Enchantment (7) Blind Obedience Evolutionary Escalation Necrogenesis Beastmaster Ascension Everlasting Torment Frenzied Fugue Breath of Fury Artifact (8) Skullclamp Sol Ring Conqueror's Flail Fellwar Stone Gruul Signet Lightning Greaves Commander's Sphere Sunforger Land (36) Ash Barrens Caves of Koilos Command Tower Dragonskull Summit Evolving Wilds Exotic Orchard Grand Coliseum Gruul Turf Jungle Shrine Karplusan Forest Mosswort Bridge Nomad Outpost Orzhov Basilica Rootbound Crag Sandsteppe Citadel Savage Lands Spinerock Knoll Sunpetal Grove Terramorphic Expanse Windbrisk Heights Plains x3 Swamp x3 Mountain x5 Forest x5 Commander, Themes, and Strategy Open Hostility is all about aggression and combat damage
