Unfortunately, there aren't a whole lot of options when it comes to trying to circumvent the no-MTG-Arena-gift-cards problem
Monsters your opponent controls cannot target face-up Beast-Warrior-Type monsters you control for attacks, except the Beast-Warrior-Type monster you control with the highest ATK (either, if tied)
In Main Phase 2, Wagner activated the effect of the Chupacabra in his hand
Companions are deck-building heaven, warts and all
UR Ultra Rare (Duelist Saga Version) Clashing Souls X SPELL Quick-Play During damage calculation, if your Attack Position monster battles an opponent's Attack Position monster with higher ATK: The controller of the battling monster with lower ATK can pay 500 LP for that monster to gain 500 ATK during damage calculation only, then keep repeating this effect until a player chooses not to pay LP
Same with Japan and the United States