Aethershield Artificer

Flying

At the beginning of combat on your turn, target creature you control gets +1/+0 and gains vigilance until end of turn.

At the beginning of combat on your turn, target creature you control gets +2/+0 until end of turn.

At the beginning of combat on your turn, target creature you control gets +2/+0 and gains vigilance until end of turn.

At the beginning of combat on your turn, target creature you control gets +1/+1 until end of turn. If that creature has toxic, instead it gets +2/+2 until end of turn.

Lieutenant — At the beginning of combat on your turn, if you control your commander, target nonlegendary creature you control gains myriad until end of turn. (Whenever it attacks, for each opponent other than defending player, you may create a token copy that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)

Reach (This creature can block creatures with flying.)

At the beginning of combat on your turn, put a +1/+1 counter on target creature you control. It gains lifelink until end of turn. (Damage dealt by the creature also causes you to gain that much life.)