Thankfully, flashback is a well-established mechanic to do just that
Create a 2/2 green Bird creature token with "Whenever a land you control enters, this token gets +1/+0 until end of turn." If the target is illegal when Choco-Comet tries to resolve, it won't resolve and none of its effects will happen
Most decks run a bit more targeted removal than board wipes since theyre cheaper and more versatile
P/T Number 230 Language English Legal Formats Commander, Legacy, Modern, Pioneer, Vintage Not Legal Formats Alchemy, Brawl, Competitive Brawl, Historic, Pauper, Standard, Timeless Rulings (4/8/2016) The card types in Magic are artifact, battle, creature, enchantment, instant, kindred, land, planeswalker, and sorcery
$2.49 Swords to Plowshares Tarkir: Dragonstorm Commander Decks $2.79 Swords to Plowshares Final Fantasy Commander Decks $6.49 Authority of the Consuls Final Fantasy Commander Decks $2.79 Path to Exile Lorwyn Eclipsed Commander Decks $5.49 Reliquary Tower Secrets of Strixhaven Commander Decks $8.49 The Wind Crystal Final Fantasy $6.99 Pearl Medallion Modern Horizons 3 $0.59 Sunpetal Grove Final Fantasy Commander Decks $3.99 Dovin's Veto (0051 - Shadowbringers) Final Fantasy Through the Ages $0.99 Arcane Signet Secrets of Strixhaven Commander Decks $0.49 Glacial Fortress Final Fantasy Commander Decks $2.79 Sol Ring Secrets of Strixhaven Commander Decks 0 results found
To offset the life loss, theres lifelink on this giant dragon which you may very well ride into victory