Messing up at the Arena Qualifier: Is this one on me?

I got myself in a pickle in that game.

A little bit of context:

It’s Game 3 of round 1, I haven’t played much of the deck before. I’m thinking: Should I crew my Charriot or should I bring the other one back from the graveyard and back to hand at the end of turn? I don’t, know, I’ll figure it out at the next step… Except that, since I forgot about Dennick, I passed to my attackers and didn’t get the chance to crew the first Charriot and lost the game. NICE !

Deck
3 Vessel of Nascency (SIR) 224
2 Liliana of the Veil (DMU) 97
4 Raffine’s Informant (SNC) 26
4 Greasefang, Okiba Boss (NEO) 220
4 Grisly Salvage (RTR) 165
4 Thoughtseize (AKR) 127
4 Witherbloom Command (STX) 248
1 Can’t Stay Away (MID) 213
4 Esika’s Chariot (KHM) 169
2 Skysovereign, Consul Flagship (KLR) 272
4 Parhelion II (WAR) 24
2 Traverse the Ulvenwald (SIR) 220
1 Boseiju, Who Endures (NEO) 266
3 Godless Shrine (RNA) 248
3 Concealed Courtyard (KLR) 282
4 Temple Garden (GRN) 258
1 Razorverge Thicket (ONE) 257
2 Blooming Marsh (KLR) 280
1 Overgrown Tomb (GRN) 253
4 Darkbore Pathway (KHM) 254
1 Caves of Koilos (DMU) 244
1 Llanowar Wastes (BRO) 264
1 Swamp (SIR) 285

Sideboard
2 Fatal Push (KLR) 84
1 Liliana of the Veil (DMU) 97
2 Ray of Enfeeblement (AFR) 116
2 Duress (STA) 29
1 Sheoldred, the Apocalypse (DMU) 107
1 Knight of Autumn (GRN) 183
2 Tear Asunder (DMU) 183
1 Kalitas, Traitor of Ghet (OGW) 86
1 Skysovereign, Consul Flagship (KLR) 272
2 Unlicensed Hearse (SNC) 246

Watch the whole qualifier here: https://www.twitch.tv/videos/1788120701